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Twice-Yearly Shot Protects At-Risk Women Against HIV

Just two shots a year of an HIV treatment provided complete protection against infections in highly at-risk women, researchers reported Wednesday.

In the study of about 5,000 women in South Africa and Uganda, those given injections of lenacapavir were 100% protected, while roughly 2% of those given daily pre...

Global Childhood Vaccination Rates Still Haven't Recovered from Pandemic Declines

More than four years after the pandemic began, childhood vaccination rates worldwide have yet to recover, a new report shows.

The latest data, issued Monday by the World Health Organization and the United Nations International Children's Emergency Fund (UNICEF), underscore the need for continuing to try to catch-up to pre-pandemic levels.

"The latest trends demonstrate that many cou...

Study Shows RSV Vaccine Safe in Late Pregnancy

Expectant mothers who get vaccinated to protect their newborns against respiratory syncytial virus (RSV) are not putting themselves or their babies at risk, new research affirms.

It found that getting the shot during late pregnancy was not associated with increased odds of preterm birth or other outcomes.

The difference in preterm birth rates between vaccinated women (5.9%) and unva...

U.S. Government to Pay Moderna $176 Million to Develop mRNA Flu Vaccine

U.S. health officials announced Tuesday that the federal government will pay Moderna $176 million to speed development of a pandemic flu vaccine based on mRNA technology.

Such a vaccine could be used to treat bird flu in people, as concern grows about H5N1 cases spreading in dairy cows across the country, the U.S. Department of Health and Human Services (HHS) noted.

"We ha...

CDC Advises Updated COVID Vaccine for Everyone Over 6 Months of Age

As a summer wave of COVID infections rolls across the country, U.S. health officials have recommended that all Americans over the age of 6 months get one of the updated COVID vaccines when they become available this fall.

The recommendation was issued Thursday by the U.S. Centers of Disease Control...

CDC Strengthens RSV Vaccine Advice for Those Over 75

In new vaccination guidance issued Wednesday, U.S. health officials now recommend that all Americans aged 75 and older get an RSV vaccine before fall arrives.

However, those a bit younger -- ages 60 to 74 -- should only seek the shot if they are vulnerable to severe RSV because of chronic medical conditions such as lung or heart disease, or if they live in nursing homes, the U.S. Centers ...

Summer COVID Cases Are Rising Across America

As scorching summer temperatures drive Americans indoors and millions travel for vacations and family gatherings, COVID infections are again climbing, U.S. health officials warned Monday.

In evidence that suggests a COVID summer wave is underway, case counts are most likely increasing in 39 states and aren't declining anywhere in the country,

  • Robin Foster HealthDay Reporter
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  • June 25, 2024
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  • International Travel: Don't Forget Your Child's Vaccinations

    Exploring Europe, taking an African safari, going on a trip to the tropics: In many cases, vaccines are needed for travel, and that's doubly true for children.

    According to pediatrician Dr. Lauren Nguyen, researching what vaccines are needed and preparing well before your family's departure is crucia...

    FDA Tells Vaccine Makers to Target New COVID Variant for Fall

    COVID vaccine makers will be advised to update their shots to target the KP.2 variant, an offshoot of the JN.1 variant that spread widely last winter, the U.S. Food and Drug Administration announced Thursday.

    It's a turnaround for the agency: The new recommendation fo...

    FDA Gives Nod to RSV Vaccine for People in Their 50s

    The U.S. Food and Drug Administration on Friday has for the first time approved the use of a respiratory syncytial virus (RSV) vaccine for people in their 50s who are at increased risk for the illness. 

    Drugmaker GSK's Arexvy vaccine, as well as vaccines from Pfizer and Moderna, are already approved for use in adults 60 and older, since...

    Moderna Announces Good Results From Trial of Combo COVID/Flu Vaccine

    An experimental vaccine that could offer one-stop prevention for both COVID-19 and influenza is showing positive results among older adults in trials, maker Moderna announced Monday.

    The shot -- for now called mRNA-1083 -- "has met its primary endpoints, eliciting a higher immune response than the licensed comparator vaccines used in the trial," Moderna said in a

  • Ernie Mundell HealthDay Reporter
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  • June 10, 2024
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  • This Travel Season, Know Your Risks for Yellow Fever

    If tropical lands like South America or Africa are your travel destinations, getting yourself protected against yellow fever before you go is imperative, an expert says.

    What is yellow fever? According to  Dr. Jill Weatherhead, an assistant professor of 

  • Ernie Mundell HealthDay Reporter
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  • June 8, 2024
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  • FDA Panel OKs New COVID Vaccine for Fall

    A U.S. Food and Drug Administration advisory panel on Wednesday recommended updating the formula for COVID vaccines ahead of a fall campaign that will encourage Americans to get the latest shots.

    The unanimous vote recommends that vaccine makers tailor the next vaccine to target the JN.1 variant, which dominated infections in the United States last winter, the New York Times...

    U.S. Will Make Millions of Bird Flu Vaccines This Summer

    As the H5N1 avian flu continues to spread among dairy cows in the United States, nearly 5 million doses of flu vaccine are now being prepared for possible use in humans.

    Since the outbreak in livestock began this spring, bird flu has been confirmed in three humans who worked on dairy farms in Texas and Michigan and health experts are concerned the virus could mutate to the point where it ...

    Vaccines Will Be Best Defense Against Bird Flu, Experts Say

    Humanity's best protection against bird flu will be the development of effective vaccines, a new study says.

    The H5N1 avian flu has been raging through cattle and poultry in the United States, increasing fears that the virus will make the leap into humans and potentially cause another pandemic.

    ...

    Scientists Developing mRNA-Based Vaccine Against H5N1 Bird Flu

    An experimental mRNA vaccine against the H5N1 avian flu is highly effective in preventing severe illness and death in lab animals, researchers report.

    The vaccine could help fight the H5N1 bird flu outbreaks now spreading in wild birds, poultry and cows in the United States, researchers said.

    HPV Vaccine Is Also Preventing Cancers in Men: Study

    Development and uptake of the human papilloma virus (HPV) vaccine has been crucial in reducing rates of virus-linked cervical cancers in women.

    Now, the accumulated data suggests the vaccine is saving men from fatal cancers, too.

    Overall, men who got the vaccine [typically as boys]...

    Repeat COVID Vaccination Could Shield Against Wide Range of Viruses

    Powerful COVID vaccines could be setting people's immune systems up to successfully fight off not just future COVID variants, but other types of coronaviruses as well, a new study shows.

    People repeatedly vaccinated for COVID -- the initial shots, followed by boosters and updated vaccines -- generate...

    Why C-Section Babies Need 2 Doses of Measles Vaccine

    Babies born by C-section are unlikely to receive protection from a single dose of measles vaccine, a new study finds.

    A single measles jab is up to 2.6 times more likely to be completely ineffective in C-section babies, compared to those born vaginally. Their immu...

    Scientists Developing Vaccine Against Present and Future COVID Viruses

    Scientists are busy working on a vaccine that might fight strains of the COVID virus SARS-CoV-2 that haven't even emerged yet.

    The effort from a British team at the University of Cambridge is already showing promise in mouse studies. Of course, mouse studies don't always pan out in humans, but study first author Rory Hills is optim...

    School Entry Rules Boost Kids' HPV Vaccination Rates

    Getting the HPV shot in adolescence can spare kids a lifetime of risk for cervical and other cancers related to the virus, but only half of American kids are up-to-date on these shots.

    Now, a new review suggests that if schools mandate HPV shots as an entry requirement for students, immunization rates rise.

    "A majority of studies evaluating HPV vaccine school-entry requirements fou...

    Painless Skin Patch Could Deliver Vaccines to Kids

    Kids who don't like vaccination shots might soon have an alternative in a painless skin patch, researchers say.

    More than 90% of 190 Gambian infants were protected from measles and all were protected from rubella after receiving a single vaccine dose through the ...

    FDA Says First Round of Tests Show No Live Virus in Pasteurized Milk

    Live bird flu virus has not been found in any of the first batch of retail milk samples tested, federal health officials said Friday.

    Amid an ongoing outbreak of bird flu in U.S. dairy cows, the early findings should reassure the public that the milk sold in stores remains safe, officials added.

    In the

  • Robin Foster HealthDay Reporter
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  • April 29, 2024
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  • Vaccines Have Saved 154 Million Lives, Mostly Babies, Over Past 50 Years

    Global vaccination efforts have saved an estimated 154 million lives, including 101 million infants, a new study led by the World Health Organization (WHO) shows.

    Immunization has contributed more to the health and survival of newborns than any other medical advance, researchers concluded.

    The

  • Dennis Thompson HealthDay Reporter
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  • April 29, 2024
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  • Dairy Cows Moved Across State Lines Must Now Be Tested for Bird Flu

    As bird flu continues to spread among dairy cows in the United States, the U.S. Department of Agriculture said Wednesday it will start requiring testing of the animals if they are moved across state lines.

    The "USDA has identified [bird flu] spread between cows within the same herd, spread from cows to poultry, spread between dairies associated with cattle movements and cows without clin...

    U.S. Measles Cases Reach 125, Surpassing Recent Peak in 2022

    Measles infections continue to spread across the country, with 125 cases now reported in 18 states, new U.S. government data shows.

    That is more cases than were reported in all of 2022, the most recent annual peak for measles infections, the U.S. Centers of Disease Control and Prevention rep...

    'One and Done': Scientists Develop Vaccine That May Fight Any Viral Strain

    Genetics-based "one-and-done"vaccines for the flu and COVID could prove more effective and easier to craft than current jabs, researchers report.

    These new vaccines would target viruses using a different respo...

    Chlamydia Vaccine Shows Promise in Early Trial

    A chlamydia vaccine has triggered immune responses in an early trial, raising hopes that one day it might help curb the spread of the sexually transmitted infection (STI).

    There is currently no vaccine for chlamydia, which is the most common bacterial STI in the United States, according to the U.S. Centers for Disease Control and ...

    Spike in Measles Cases Could Threaten Elimination Status in U.S.: CDC

    More than 100 measles cases have already been reported in the United States this year, a significant increase over previous years that threatens the country's attempts to eliminate the illness, federal health officials warned Thursday.

    A total of 338 measles cases were diagnosed in the United States from January 2020 through March 2024, with 97 of those cases reported in 2024 alone, a n...

    Adding Vaccine to Immunotherapy  for Liver Cancer Shows Promise in Early Trial

    A custom-made anti-tumor vaccine added to standard immunotherapy was twice as likely to shrink liver cancer as when a patient received immunotherapy alone, a new study shows.

    The vaccine could help liver cancer patients live longer, as fewer than one in 10 survive five years after their diagnosis, the researchers noted.

    In fact, about 8% of patients who received the new vaccine had ...

    Therapeutic Vaccine Prevents Pancreatic Cancer's Recurrence in 3-Year Trial

    A pancreatic cancer vaccine has continued to protect a small group of patients from their cancer coming back, three years after receiving the jab, a new study says.

    Eight patients have not had their pancreatic cancer recur for three years after their immune systems responded to the vaccine, which is called autogene cevumeran, researchers reported Sunday at a meeting of the American Associ...

    Vaccine-by-Mouth Could Replace Antibiotics in Fighting UTIs

    A new oral vaccine could prove a potential alternative to antibiotics for people with recurring urinary tract infections, a new study says.

    More than half of patients with recurring UTIs (54%) wound up infection-free for nine years after receiving the oral spray vaccine, with no notable side effects, researchers report.

    "Before having the vaccine, all our participants suffered from ...

    Mpox Vaccine Protection Quickly Fades; Boosters Necessary: Study

    Vaccine protection against mpox fades quickly in the human immune system, even in people who've received the full two-dose regimen, a new real-world study shows.

    Antibody levels fell to low or near zero within the first few months of getting the vaccine, unless the person had previously received a smallpox vaccine, scientists reported Saturday at the European Congress of Clinical...

    U.S. Mpox Cases Rising Again as Vaccinations Lag

    Mpox cases are climbing again in the United States, with the number of reported infections now twice as high as they were at this time last year, new government data shows.

    In response, public health experts have raised alarms about the increase and stressed that vaccination rates against the disease need to improve.

    "This has the potential to become a fairly prevalent infectious di...

    ERs Might Be Good Spots to Offer Flu Shots

    New research offers an easy prescription to get people to roll up their sleeves for a flu shot.

    Just ask them to. 

    And then reinforce the invitation with a little video and print encouragement.

    "Our study adds to the growing body of knowledge showing that a number of important public health interventions can and should be delivered to underserved populations in emergency ...

    CDC, AMA Issue Calls to Get Vaccinated Against Measles

    Two of America's leading health organizations are highlighting a global rise in measles cases as yet another reason for families to make sure they get the measles vaccine.

    The U.S. Centers for Disease Control and Prevention and the American Medical Association (wh...

    Measles Outbreaks Have CDC Tweaking Travel Guidelines

    As millions of Americans prepare to travel abroad this summer and measles outbreaks increase worldwide, the U.S. Centers for Disease Control and Prevention has tightened its guidance on how travelers should handle the potential health threat.

    Americans planning to fly to other countries should consult their doctors at least six weeks before they leave, if they are unsure ...

    Real World Data Shows RSV Shot Cut Infant Hospitalizations by 90%

    Real-world data show that a shot that protects babies against RSV is 90% effective in keeping them out of the hospital.

    Those numbers outstrip what had been expected of Beyfortus (nirsevimab), which in clinical trials had prevented the need for medical care for RSV infection by 79% and hospitalization by...

    COVID Virus Lingers in Tissues for Over a Year

    The COVID-19 virus can linger in the blood and tissue of patients for more than a year after they've shaken their initial infection, new findings show.

    Researchers found pieces of SARS-CoV-2, the virus behind COVID, lingering in the blood for up to 14 months and in tissue samples for more than two ye...

    Breastfeeding After COVID Booster Passes Protective Antibodies to Baby

    There's more evidence bolstering the health effects of both breastfeeding and the COVID booster shot: Vaccinated, breastfeeding moms appear to pass COVID-fighting antibodies to their infants.

    That's important, since babies under the age of 6 months aren't eligible for the COVID vaccine.

    "We think that breast milk may play an important role in protecting the infants during the first...

    Vaccines Protect You & Your Kids From Measles: FDA

    As new outbreaks of measles -- a once nearly eliminated illness in the United States -- continue to emerge, experts remind Americans that there's an easy way to stop infection: Get vaccinated.

    "Measles spreads so easily that if one person has it, 90% of the people close to that person who are not vaccinated or otherwise immune will also become infected," the U.S. Food and Drug Administrat...

    Changes in Gay Men's Behaviors, Not Vaccine, Halted Mpox Outbreak

    New research finds the 2022 mpox outbreak among gay and bisexual men began to slow down after just a few months -- even though just 8% of high-risk people had received the mpox vaccine.

    That suggests that it was changes in gay and bisexual men's sexual behaviors, not the vaccine, that caused the outbreak to subside, researchers concluded.

    "Once the mpox epidemic was recognized, beha...

    CDC Experts Recommend Seniors Get Another COVID Shot

    Even if they got a COVID booster last fall, American seniors should still get a second shot this spring to best protect themselves, U.S. health officials recommended Wednesday.

    The latest guidance, voted on by a vaccine advisory panel and endorsed by the U.S. Centers for Disease Control and Prevention, states that a second booster is fine as long as at least four months have passed since ...

    What Is Measles, and How Can I Shield Myself & My Family?

    Once thought to be a bygone disease, measles is making a comeback in the United States and globally as folks shun a safe, surefire way to prevent it: The measles vaccine.

    But what is measles, and how easily does it spread? Drs. Aaron Milstone and

  • Ernie Mundell HealthDay Reporter
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  • February 28, 2024
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  • Which Families Are Less Likely to Get Teens the HPV Vaccine?

    Well-to-do American families are more likely than poorer families to increase their children's risk of cervical cancer by skipping the human papillomavirus (HPV) vaccine, a new study has found.

    Nearly two-thirds of well-off parents (65%) do not intend to seek out the HPV vaccine for their teens, compared with 40% of disadvantaged parents, researchers report.

    "Parents from socioecono...

    Florida Surgeon General Defies CDC Guidance Amid School Measles Outbreak

    Amid an outbreak of measles at a Florida elementary school, the state's surgeon general has defied federal health guidance and told parents it's up to them whether they want to keep their unvaccinated child home to avoid infection.

    In a letter to parents of children attendin...

    CDC May Recommend COVID Boosters for Some This Spring

    The U.S. Centers for Disease Control and Prevention is weighing whether to recommend another COVID booster shot this spring, most likely for those who are vulnerable to severe illness.

    An advisory panel to the CDC is expected to vote on whether to recommend a spring booster during a ...

    Wrong RSV Shots Given to Some Pregnant Women, Young Kids

    More than two dozen toddlers and at least 128 pregnant women received RSV vaccines they should not have gotten, U.S. health officials say.

    The mixup, reported by the U.S. Centers for Disease Control and Prevention, follows approval this winter of two vaccines against respiratory syncytial virus (RSV). The virus is p...

    Americans Have One Trusted Source for Info on COVID Vaccines

    A doctor or nurse might be the only person capable of convincing a vaccine-hesitant person to get the COVID jab, a new study shows.

    Those who trust the medical profession are most likely to get vaccinated against COVID, despite their initial hesitancy or resistance, according to a study published recently in the journal

  • Dennis Thompson HealthDay Reporter
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  • February 8, 2024
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  • High-Risk Strains of HPV Could Raise Women's Odds for Heart Death

    Women are four times more likely to die from heart disease and six times more likely to die from stroke if infected with a high-risk strain of human papillomavirus (HPV), a new study warns.

    HPV already is known to cause most cervical cancers, and previous research has suggested that HPV infection might contribute to clogged arteries.

    But this is the first study to draw a link betwee...