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CDC Now Says Vaccinated Should Be Tested After COVID Exposure, Even Without Symptoms

People fully vaccinated against COVID-19 should be tested for the virus if they come into contact with infected people, whether or not they have symptoms, say updated testing guidelines from the U.S. Centers for Disease Control and Prevention.

The agency previously said that fully vaccinated people did not need to be tested after exposure to the virus unless they had symptoms, The New...

Mississippi Health System Buckles Under 'Astounding' Rise in COVID Cases

An "astounding" rise in COVID-19 cases in Mississippi is putting intense strain on the state's health care system.

Compared to the first half of July, the number of infections more than doubled in the past two weeks and deaths rose by 51%. In Mississippi, deaths lost to COVID-19 now average between three and four a day, health officials said at a news conference held Wednesday, The Ne...

Vitamin D May Lower Black Women's Odds for COVID-19

Unlocking a clue to why Black women might be more susceptible to COVID-19, a new study shows that low levels of vitamin D may increase their risk of infection.

That doesn't mean that people should rely on vitamin D supplements to protect themselves against COVID-19, however, because vaccines are the only proven protection against the disease.

For the study, researchers assessed vita...

Severe COVID for People Under 45: Who's Most at Risk?

TUESDAY, July 27, 2021 (HealthDay News) -- Young people aren't immune from severe COVID-19, and a new study warns that some are more at risk than others.

Folks under 45 have more than triple the risk for severe COVID-19 if they have cancer or heart disease, or blood, neurologic or endocrine disorders, according to Mayo Clinic researchers.

"One of the surprising fi...

Despite Reopening, Britain Sees 6 Straight Days of Declines in COVID Cases

COVID-19 cases in Britain have fallen for six days in a row, even though the government lifted all but a few social distancing restrictions last week.

The shift has scientists scratching their heads, as many of them predicted a powerful surge in cases after the government reopened the country.

The steady decrease may be due to short-term factors such as the school summer break, the ...

Who's Most Likely to Refuse a COVID Vaccine?

COVID-19 vaccine hesitancy among American adults fell by one-third in the first five months of 2021, a new study finds, but distrust of vaccines and the government are still keeping many people from getting vaccinated.

Researchers analyzed data gathered from about 1 million Americans a month between January and May as part of an ongoing national COVID-19 survey. Those who said they would ...

Can COVID Transmit Easily on Crowded School Buses?

MONDAY, July 26, 2021 (HealthDay News) -- New research offers some reassuring news for parents of kids returning to school soon: The risk of acquiring COVID-19 on the school bus is very low when proper precautions are taken.

With open windows, mandated masking and two kids per seat, there was no transmission of the new coronavirus linked to busing even during the height...

Survey Finds U.S. Parents Split on COVID Vaccination for Kids Under 12

As a new school year approaches, U.S. parents are nearly evenly split on whether they'll vaccinate their young kids when a COVID-19 vaccine is approved for their age group, a new survey finds.

"It's important that parents and providers don't wait for full COVID vaccine approval to begin discussions about vaccination," said Sarah Clark, co-director of the C.S. Mott Children's Hospital Nati...

It's Tick Season: Protect Yourself From Lyme Disease

When you're heading outdoors this summer, keep an eye out for ticks during and after your outing, health experts say.

These common parasites can transmit Lyme disease, a potentially serious illness.

Lyme disease is transmitted to people through the bite of an infected black-legged tick, also called a deer tick, explained Dr. Crystal Tank and Dr. Ashany Sundaram of Mountainside Medi...

Vaccinations Start to Climb in States Hit Hard by Delta Variant

In a sign that vaccine-hesitant Americans are starting to worry about the rapid spread of the highly infectious Delta variant, vaccinations are beginning to rise in some states where COVID-19 cases are soaring, White House officials said Thursday.

Coronavirus coordinator Jeff Zients told reporters that several states with the highest proportions of new infections have seen residents get v...

Fauci Supports NFL's Tough New COVID Policy

COVID-19 outbreaks among unvaccinated NFL players could result in forfeited games and loss of pay, the league announced Thursday.

The policy sends a strong message about COVID-19 vaccines and is likely to be followed by others in the United States, Dr. Anthony Fauci, the nation's top infectious diseases expert, told CBS News.

The NFL has pushed players to get vaccinated, bu...

'Superbug' Fungus Spreads Among Vulnerable in Two U.S. Cities

An untreatable "superbug" fungus is spreading in a Washington, D.C., nursing home and two Dallas-area hospitals, the U.S. Centers for Disease Control and Prevention said Thursday.

There were 101 candida auris cases at the nursing home and 22 cases at the hospitals from January to April, according to the U.S. Centers for Disease Control and Prevention, which did not identify the f...

As Olympics Begin, Tokyo Posts Highest Number of New COVID Cases in Six Months

One day before the official start of the Tokyo Olympics, the city has recorded its highest number of new COVID-19 cases in six months.

The 1,979 cases reported on Thursday are the most seen since 2,044 cases were recorded on Jan. 15, according to the Associated Press.

Japan has reported about 853,000 cases and 15,100 deaths since the pandemic began, most of them this year....

Empty Stadiums, COVID Fears: How Will It Affect Olympic Athletes?

To do their best, Olympic athletes need to be both physically and mentally fit, but the COVID-19 pandemic and its restrictions at the Tokyo Olympics has made that a real challenge, experts say.

"This Olympics is unprecedented," said Dr. Michael Lardon, an associate clinical professor of psychiatry at the University of California, San Diego.

The Tokyo Olympics itself, which officiall...

Could Coffee, Veggies Lower Your Odds for COVID-19?

Coffee delivers the boost that many people need to start their day. Now, new research suggests this breakfast powerhouse may also provide some protection against COVID-19.

Consuming vegetables and having been breastfed might also reduce your COVID-19 risk, according to the new study from Northwestern University in Chicago. Conversely, processed meats may increase your susceptibility to th...

COVID Drove Biggest Drop in U.S. Life Expectancy Since World War II

Exactly how deadly has the coronavirus pandemic been in the United States? New research confirms it has had a big hand in slashing life expectancy by a year and a half.

That's the lowest level of life expectancy since 2003 and the largest one-year decline since World War II, researchers from the U.S. Centers for Disease Control and Prevention found.

"This was a very serious event. I...

Severe COVID in Kids: Rare, but Brain Issues Can Result

About one in 20 kids hospitalized with COVID-19 develop debilitating brain or nerve complications that could haunt some for a long time, a new British study reports.

Children with severe infections can suffer from brain inflammation, seizures, stroke, behavior changes, hallucinations and psychosis.

About one-third of the stricken kids had symptoms that didn't resolve in the short te...

Double Trouble: Wildfire Smoke Could Boost Odds for COVID's Spread

Breathing in smoke from wildfires may significantly increase the spread of COVID-19, researchers say.

The warning, from a new study of links between smoke-caused air pollution and SARS-CoV-2 infections, comes as firefighters battle 80 large wildfires in the western United States. The largest — 300 miles south of Portland, Ore. — covers over 500 square miles.

For this study, rese...

U.S. Issues Toughest Travel Alert for Britain As COVID Cases There Climb

The U.S. government issued its most dire warnings against travel to Britain on Monday as coronavirus cases surged in that country while nearly all COVID-19 restrictions were lifted in an effort to restart the economy.

Both the U.S. State Department and the U.S. Centers for Disease Control and Prevention announced Level 4 travel alerts and urged all Americans to avoid visiting the U.K...

Canada Surpasses U.S. COVID Vaccination Rates

COVID-19 vaccination rates in Canada have now beaten those in the United States.

As of Saturday, more than 49% of eligible people in Canada were fully vaccinated, and 70% had received at least one dose of vaccine, according to figures from the Our World in Data project, The New York Times reported. The rates in the United States are about 48% and 55.5%, respectively. In the Europ...

Chinese Man Dies of Rare Virus From Monkeys

A Chinese researcher has died after catching a rare infectious disease called the Monkey B virus, Chinese Center for Disease Control and Prevention officials say.

In March, the 53-year-old veterinarian dissected two dead monkeys as part of his work in a Beijing research institute specializing in nonhuman primate breeding. He developed nausea, vomiting and fever a month later, and died May...

Monkeypox Case Confirmed in U.S. Resident, Threat of Spread Is Low

A case of monkeypox has been confirmed in an American who had recently traveled to Nigeria, U.S. health officials reported. Officials believe the threat of the virus spreading to others is low.

Monkeypox is a rare but potentially serious viral illness that's in the same family of viruses as smallpox, but causes a milder infection, according to the U.S. Centers for Disease Control and Prev...

Any COVID Infection Leaves Strong Antibody Levels in Kids

Even a mild or asymptomatic case of COVID-19 triggers a strong antibody response in children and teens, new research shows.

"These findings are encouraging, especially because we cannot yet vaccinate children under the age of 12 against the virus," said study co-lead author Jillian Hurst, an assistant professor in the Department of Pediatrics at Duke University School of Medicine in Durh...

Friends, Family Key to Turning a 'No' on Vaccination to a 'Yes'

Public health officials and government workers are trying everything they can to promote COVID-19 vaccination — advertisements, news releases, cash lotteries, and even incentives like free beer, joints or doughnuts in some places.

But nothing sways a vaccine-hesitant person more than a word with a family member, friend or their own doctor, a new Kaiser Family Foundation (KFF) poll revea...

Chinese Man Hospitalized With H5N6 Bird Flu

A man in China has been hospitalized with the H5N6 strain of avian flu, which is one of several potentially dangerous strains that can infect humans.

The 55-year-old man came down with a fever and tested positive for the virus on July 6. He was hospitalized in Bazhong, a city in the province of Sichuan, according to the state-run China Global Television Network, The New York Times

Antibiotic-Resistant Pneumonia Is Killing Children in Bangladesh — Could It Spread?

Antibiotic-resistant bacteria is causing deadly pneumonia infections among large numbers of children in the South Asian nation of Bangladesh, a rising threat that could one day reach American shores, experts warn.

Doctors found these "superbug" bacteria in more than three of four children with a positive blood culture for bacterial pneumonia while being treated at a major Bangladesh hospi...

Many States Move to Ban Vaccine Mandates, Passports in Public Schools

As schools around America begin to prepare for reopening this fall, many states are taking steps to stop public schools from requiring COVID-19 vaccination or proof of vaccination.

At least seven states -- Alabama, Arkansas, Florida, Indiana, Montana, Oklahoma and Utah -- have already passed such laws, while 34 more have introduced bills that would limit requiring someone to demonstr...

COVID Antibodies From Vaccination Are Almost 3 Times Higher Than From Infection

THURSDAY, July 15, 2021 (HealthDay News) -- People who've been fully vaccinated against COVID-19 have a much stronger immune system response against the new coronavirus than those who've previously been infected, according to a new study.

"Vaccinated individuals had the highest antibody levels, nearly three times higher than that of convalescent individuals recovering f...

Heart Troubles Ease Over Time in Kids With MIS-C

Here's some reassuring news for parents: Most heart problems in children with a rare inflammatory condition triggered by COVID-19 infection resolve within a few months, a new study finds.

Multisystem inflammatory syndrome in children (MIS-C) causes inflammation throughout the body, and many patients develop a range of non-respiratory symptoms such as abdominal pain, skin rashes, heart abn...

New COVID Cases Double in U.S. in Past Three Weeks

New coronavirus infections are once again climbing in the United States, driven by the highly contagious Delta variant, lingering vaccine resistance and Fourth of July celebrations.

Over the past three weeks, new cases per day have doubled, with data from Johns Hopkins showing that confirmed infections climbed to an average of about 23,600 a day on Monday, up from 11,300 on June 23. All b...

Get COVID-19 Vaccines to Poor Nations Instead of Making Booster Shots: WHO

COVID-19 vaccine makers such as Pfizer should focus on getting shots to poor countries instead of trying to persuade wealthy nations to give their citizens booster shots, World Health Organization (WHO) officials said at a press briefing held Monday.

Despite a lack of evidence that third doses of vaccines are necessary, drug companies are lobbying the United States and other Western coun...

Inhaled COVID Vaccine Shows Promise in Animal Trials

Breathing in protection: Scientists say an experimental inhaled COVID-19 vaccine shows promise in animal tests.

"The currently available vaccines against COVID-19 are very successful, but the majority of the world's population is still unvaccinated and there is a critical need for more vaccines that are easy to use and effective at stopping disease and transmission," said study co-leader ...

Woman Infected With Two COVID-19 Variants at Once

An elderly woman in Belgium was simultaneously infected with two COVID-19 variants of concern, according to a report describing one of the first documented cases of co-infection.

The authors said their findings highlight the need for health care providers to be watchful for double infections and the emergence of new variants.

The 90-year-old woman was hospitalized in Aalst, Belgium,...

Could Men's Testosterone Play Role in COVID Survival?

Men with low testosterone levels have a much higher risk of severe illness and death from COVID-19, a new study from Italy finds.

The study included nearly 300 symptomatic male COVID-19 patients who arrived at the emergency department and were admitted to San Raffaele University Hospital in Milan during the first wave of the pandemic.

The lower the patients' levels of the hormone te...

Vaccinated Teachers, Students Can Skip Masks This Fall: CDC

When schools open their doors this fall, teachers and students who are vaccinated can enter without masks, according to a new guidance issued Friday by the U.S. Centers for Disease Control and Prevention.

The relaxed recommendation comes as a national vaccination campaign in which children as young as 12 can get COVID-19 shots unfolds, accompanied by a general decline in coronavirus hospi...

U.S. COVID Vaccine Rollout Saved 279,000 Lives: Study

COVID-19 vaccines have prevented at least 279,000 deaths and 1.25 million hospitalizations in the United States, but the Delta variant poses a significant threat to that progress, researchers say.

"The vaccines have been strikingly successful in reducing the spread of the virus and saving hundreds of thousands of lives in the United States alone," said study author Alison Galvani, directo...

COVID Cases Surge in Los Angeles County as Delta Variant Spreads

There is "exponential growth" of coronavirus cases in Los Angeles County as the Delta variant becomes the dominant strain, health officials there reported Thursday.

Even though 60% of people older than 16 in the county have been fully vaccinated, the case rate rose from 1.74 cases to 3.5 cases per 100,000 people in one week, according to a Los Angeles County Department of Public Health ne...

No Spectators to Be Allowed at Tokyo Olympic Games

FRIDAY, July 9, 2021 (Healthday News) -- No spectators will be allowed at the Olympic Games in Tokyo when they begin in two weeks, organizers announced Thursday.

The decision came after a new state of emergency was declared in the city due to a sudden surge in coronavirus cases, The New York Times reported.

Last month, officials said they would allow domest...

Global Consortium Finds Genes That Drive Severe COVID-19

Why do some people infected with SARS-CoV-2 have either no or negligible symptoms, while others sicken and die?

Scientists who've pinpointed several genetic markers associated with severe COVID-19 say their findings could provide answers to that important question -- and targets for future treatments.

The investigators spotted 13 locations in human DNA that are strongly associated w...

Chinese CoronaVac Vaccine 83.5% Effective Against Symptomatic COVID

A double dose of China's CoronaVac vaccine is 83.5% effective against symptomatic COVID-19, researchers say.

Their phase 3 trial included more than 10,000 people, aged 18 to 59, in Turkey who received either two doses of CoronaVac 14 days apart or an inactive placebo.

An immune response analysis of 981 participants who got the vaccine found that it triggered a strong immune response...

Your Job Could Put You at Much Higher Risk for Flu

Your job may significantly increase your risk of catching the flu, with potential implications for the spread of other infectious diseases including COVID-19, according to new research.

On average, working folks are 35% more likely to get the flu than those without jobs, but an analysis of U.S. federal data found sharp differences between certain jobs and industries.

The more work-r...

Pharmacy Exec Behind Meningitis Outbreak Gets Longer Prison Sentence

A longer prison sentence has been handed to the founder of a now-closed Massachusetts pharmaceutical facility responsible for the 2012 meningitis outbreak that killed 100 people and sickened hundreds of others.

Barry Cadden, who was president and co-owner of the New England Compounding Center (NECC), received a 14-and-a-half year sentence from a federal judge Wednesday.

Cadden was ...

COVID Death Toll Passes 4 Million Globally

The worldwide coronavirus death toll topped 4 million on Thursday, with the highly contagious Delta variant spotted in more than 100 countries and the World Health Organization warning against nations relaxing restrictions too quickly.

"The numbers may not tell the complete story, and yet they're still really staggering numbers globally," Jennifer Nuzzo, an epidemiologist at Johns Ho...

Delta Variant Now Behind Over 50% of U.S. Cases

The highly contagious Delta variant now accounts for more than half of all new coronavirus infections in the United States, new government data shows.

The dangerous variant that crippled India recently currently makes up 51.7% of new infections in this country, according to the U.S. Centers for Disease Control and Prevention. At the same time, the Alpha variant, which first surfaced ...

Immunocompromised? Why the COVID-19 Vaccine Might Still Protect You

WEDNESDAY, July 7, 2021 (HealthDay News) -- COVID-19 vaccinations may not offer as much protection to people with compromised immune systems, but just how much appears to be driven by the type of underlying condition, new research suggests.

"People with conditions that compromise their immune systems exhibit a wide spectrum of antibody responses to COVID-19 vaccinatio...

Rare 'Breakthrough' COVID Infections in Vaccinated Are Milder: Study

Folks who suffer a rare "breakthrough" coronavirus infection after getting the Pfizer or Moderna vaccine will not get as sick and, importantly, are much less likely to pass the coronavirus on to others, a new study shows.

It's very unlikely that a person will become infected with COVID-19 after getting one of the messenger RNA (mRNA) vaccines, which provided 91% effective protection among...

Masks at the Gym: Uncomfortable But Not Unsafe, Study Finds

Wearing a mask while you exercise may be uncomfortable, but a new study should reassure gym-goers that it poses no actual health risks.

"What we found was, that it is safe to run at peak exercise in both an N95 mask and a cloth face mask," said researcher Dr. Matthew Kampert, of the Cleveland Clinic.

His team looked at 20 healthy people, average age 37, who ran on a treadmill to pea...

How Much Should the Delta Variant Worry You?

The Delta variant of COVID-19 is upending any return to normalcy in some parts of the United States, with locales like Los Angeles County urging vaccinated folks to once again don masks indoors.

Infectious disease experts said these places are acting with an abundance of appropriate caution, given that the Delta variant is more transmissible and potentially more dangerous.

But the d...

COVID Falls From America's #1 Killer to #7 by June

A steep rise in vaccination rates has dropped COVID-19 from the first to the seventh leading cause of death in the United States, a new analysis shows.

The disease was the third leading cause of death for much of 2020, but became the leading cause of death in December 2020 and early 2021, reaching a peak of 3,136 deaths per day in January 2021 and far surpassing U.S. deaths from heart di...

Some Myeloma Patients Get No Protection From COVID-19 Vaccines

Because they're often given drugs that suppress their immune systems, people battling a blood cancer known as multiple myeloma have varying responses to the COVID-19 vaccine, new research shows.

Some patients had no evidence at all of COVID-fighting antibody production after getting two doses of vaccine, the new study found.

In a minority of cases, fully vaccinated myeloma patients ...