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Vaccination news
Medical research
Opening the door to a vaccine for multiple childhood infections
A vaccine that tackles the bacteria that cause up to 200 million childhood infections every year could be possible, experts say.
6 hours ago
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Diseases, Conditions, Syndromes
Study shows vaccine protection against Salmonella Paratyphi A infection
An Oxford-led study has demonstrated that an oral live-attenuated vaccine, CVD 1902, provided significant protection against S. Paratyphi A infection in healthy adults using a controlled human infection model, without any ...
21 hours ago
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Survey: Public is variably knowledgeable about safety of MMR vaccine and risks of getting measles
Nearly 1,650 cases of measles in 42 states have been confirmed this year in the United States by the Centers for Disease Control and Prevention (CDC), the largest annual number in 34 years. This includes a fresh outbreak ...
21 hours ago
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5,000+ measles cases threaten Canada's elimination status
Canada may lose its measles elimination status amid a yearlong outbreak that has infected more than 5,000 people and killed two infants, health officials said this week.
Oct 30, 2025
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Can you get chickenpox twice? Or if you're vaccinated? Experts answer nine key questions
Alerts have been issued about the rising number of chickenpox cases in Northern New South Wales this year. Meanwhile, chickenpox continues to spread across Australia with 2,010 notified cases so far this year.
Oct 30, 2025
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How age affects vaccine responses and how to make them better
As flu season approaches and public health officials roll out their annual push for vaccination, Allen Institute scientists are learning why vaccines can trigger a weaker response in older adults, around age 65, and what ...
Oct 29, 2025
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Video messaging alone insufficient strategy to boost COVID vaccination rates
A new study by Assistant Professor Rachael Piltch-Loeb, Affiliated Investigator Angela Parcesepe, Distinguished Professor Denis Nash, and colleagues from the CUNY Institute for Implementation Science in Population Health ...
Oct 29, 2025
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A one-shot flu vaccine can beat avian flu strains before they appear
Scientists have developed a proof-of-concept vaccine that could offer broad protection against all known and emerging variants of highly pathogenic avian influenza (A5) viruses, including those that have yet to evolve. This ...
Light-based tool continuously monitors vaccine quality during production
The outbreak of the COVID-19 pandemic demonstrated the need to rapidly develop, produce and distribute large quantities of new vaccines. A team of researchers at Purdue University and Merck & Co. Inc., known as Merck Sharp ...
Oct 28, 2025
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Global drop in parental trust in childhood vaccines linked to measles resurgence
An international study led by the Azrieli Faculty of Medicine in the Galilee at Bar-Ilan University reveals that the COVID-19 pandemic has contributed to a diminishing public trust in childhood vaccines, resulting in declining ...
Oct 28, 2025
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Parental pushback threatens HPV protection
A new wave of HPV vaccine hesitancy is spreading across the United States, worrying public health experts as coverage stalls and disparities grow. In a new study by researchers including Associate Professor Spring Cooper ...
Oct 28, 2025
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Combined HIV vaccines can act in concert to achieve diverse antibody priming
Researchers at La Jolla Institute for Immunology, Scripps Research, and the Ragon Institute of MGH, MIT, and Harvard report coordinated studies showing that several HIV germline-targeting immunogens can be delivered together ...
New 2025 data shows COVID-19 vaccines continue to provide effective, durable protection
Updated COVID-19 vaccines are still providing effective protection against infection, emergency department visits, hospitalization and death, according to new research published in JAMA Internal Medicine.
Oct 27, 2025
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Despite the confusion, vaccines should be in reach this season, says CDC
For people whose autumn agenda includes getting vaccinated against respiratory diseases—COVID, flu, and, for some, RSV—this year may be surprisingly routine.
Oct 27, 2025
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NZ may be on the cusp of another measles outbreak—what happened in 2019 should be a warning
The recent confirmation of new measles cases unconnected to international travel suggests the highly contagious disease has likely started spreading through communities, according to Health New Zealand.
Oct 26, 2025
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COVID-19 mRNA vaccines could unlock the next revolution in cancer treatment
The COVID-19 mRNA-based vaccines that saved 2.5 million lives globally during the pandemic could help spark the immune system to fight cancer. This is the surprising takeaway of a new study that we and our colleagues published ...
Oct 25, 2025
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Certain viral combinations raise risk of severe respiratory illness in infants
A new study led by researchers at National Jewish Health has revealed that, while a wide range of viruses can cause lower respiratory tract illnesses (LRIs) in infants, certain viruses and viral combinations dramatically ...
Oct 25, 2025
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HIV prevention jab approved for use in England and Wales. Here's how it works
The first ever injectable drug that can prevent HIV has been approved for use in England and Wales.
Oct 23, 2025
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Vaccinated against polio—or not? Study finds differences between documented and self-reported vaccination rates
Poliomyelitis, also known as polio, is a contagious disease caused by the poliovirus. Thanks to the development of effective vaccines, the poliovirus has been largely eradicated and was endemic in only two countries in 2024. ...
Oct 23, 2025
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Measles outbreak spreads beyond Utah-Arizona border, 123 cases reported
A growing measles outbreak along the Utah-Arizona border has spread to nearby communities, making it the nation's second-largest this year, health officials confirmed.
Oct 23, 2025
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Why vaccines are especially important for children with asthma
You may have seen recent news stories reporting that a national data investigation found that routine childhood vaccination is slipping across much of the United States, leaving classrooms and daycares with growing gaps in ...
Oct 23, 2025
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How cashew nut shells could help Africa make vaccines
As the U.S. pulls the funding rug out from under African countries fighting infectious diseases, it is more necessary than ever for Africa to make its own medicine.
Oct 21, 2025
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Polio vaccination remains vital as global eradication faces new challenges, study says
October 24 marks World Polio Day. The vaccination against poliomyelitis is considered one of the greatest achievements in preventive medicine. It has prevented millions of cases of paralysis and saved hundreds of thousands ...
Oct 21, 2025
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Last year's flu season was California's worst in years: How bad will this one get?
Last year's flu season was the worst California had seen in years—and state health officials warn this year could potentially be just as bad.
Oct 21, 2025
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Study shows the shingles vaccine protects against heart disease, dementia, death
The shingles vaccine does more than just protect middle-aged folks and seniors against maddening rashes, a new study says.
Oct 20, 2025
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