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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 ...

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 ...

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...

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 ...

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...

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 fro...

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...

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 ...

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 ...

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...

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 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...

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...

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 fir...

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...

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...

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 ...

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