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Diseases, Conditions, Syndromes
Your risk of catching COVID is at its lowest since 2020—but here's why you should still get boosted for Christmas
As the Christmas season looms, with its crowded end-of-year parties, family gatherings and busy travel schedules, many New Zealanders might be asking a now familiar question: should I get another COVID-19 booster?
19 hours ago
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Immunology
RSV vaccines could offer protection against asthma
Belgian scientists from VIB and Ghent University (UGent), together with Danish collaborators, have uncovered compelling evidence that early-infancy infection with respiratory syncytial virus (RSV) significantly increases ...
Nov 28, 2025
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WHO hails uptick in measles vaccines, still below pre-COVID levels
Measles vaccination rates have improved "remarkably" but remain below pre-COVID-19 levels, the World Health Organization said Friday, flagging obstacles to access for vulnerable populations.
Nov 28, 2025
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Online information reinforced vaccine beliefs and booster uptake during Japan's COVID-19 campaign: Study
Researchers at University of Tsukuba have demonstrated that during Japan's COVID-19 booster vaccination campaign, online information influenced vaccination intentions in ways similar to the initial rollout. The study identified ...
Nov 28, 2025
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Brazil approves world's first single-dose dengue vaccine
Brazilian authorities on Wednesday approved the world's first single-dose dengue vaccine, which they hailed as a "historic" achievement as cases of the mosquito-borne disease soar globally due to rising temperatures.
Nov 27, 2025
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Expanding seasonal immunization access could minimize off-season RSV epidemics
Providing year-round access to RSV immunization would minimize the risk of large seasonal outbreaks across the nation, including in both urban and rural areas.
Nov 26, 2025
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Fractional-dose vaccines could save millions during shortages
New research shows that using smaller, fractional vaccine doses during epidemics can significantly reduce infections, especially when vaccines are scarce or distribution is limited.
Nov 26, 2025
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California braces for early, sharper flu season as virus mutation outpaces vaccine, experts say
California could see an early start to the annual flu season, as a combination of low vaccination rates and late mutations to the virus may leave the state particularly exposed to transmission, health experts say.
Nov 26, 2025
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California affirms vaccine advice after US govt autism change
Liberal US states led by California on Tuesday said parents should continue to get their children immunized, contradicting what they said was "dangerous misinformation on vaccines and autism" issued by the federal government.
Nov 26, 2025
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Kennedy sharpens vaccine attacks, without scientific backing
As the federal government prepares for the next meeting of its Advisory Committee on Immunization Practices, Health and Human Services Secretary Robert F. Kennedy Jr. has intensified his attacks on aluminum vaccine components ...
Nov 25, 2025
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Canada measles outbreak shows that vigilance must not slip
The next outbreak of serious disease is merely "a plane ride away," public health officials have long warned. The current crop of measles cases in Canada proves that point.
Nov 25, 2025
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Experimental liver cancer vaccine shows promise for young patients in early trial
An experimental cancer vaccine developed at the Johns Hopkins Kimmel Cancer Center and its Bloomberg~Kimmel Institute for Cancer Immunotherapy has shown early promise in a Phase I clinical trial for a rare form of liver cancer ...
Nov 24, 2025
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'Mental model' approach can reduce misconceptions about mRNA vaccination
In two experiments, researchers have found that introducing people to "mental models" about how mRNA vaccination works and how the body protects itself from foreign DNA can preemptively or reactively protect against misconceptions ...
Nov 24, 2025
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What to know about the CDC's baseless new guidance on autism
The rewriting of a page on the CDC's website to assert the false claim that vaccines may cause autism sparked a torrent of anger and anguish from doctors, scientists, and parents who say Health and Human Services Secretary ...
Nov 24, 2025
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New research confirms HPV vaccination prevents cervical cancer
Two new reviews show strong and consistent evidence that HPV vaccines are effective in preventing cervical cancer and pre-cancerous changes, especially when given to young people before they are exposed to the virus. The ...
Nov 23, 2025
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Off-label use of COVID-19 vaccines was once discouraged but has become common amid new guidelines
Following the federal government's changes to COVID-19 vaccine eligibility and recommendations in 2025, many people are wondering whether they can get COVID-19 vaccines for themselves or their children.
Nov 23, 2025
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Flu activity is low, but experts worry about a new strain and vaccination rates
The U.S. flu season is starting slowly, and it's unclear if it will be as bad as last winter's, but some health experts are worried as U.S. Centers for Disease Control and Prevention data posted Friday shows a new version ...
Nov 22, 2025
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Experimental vaccine offers rapid, long-lasting protection against deadly tick-borne virus
Crimean-Congo hemorrhagic fever (CCHF) is one of the world's most dangerous yet overlooked infectious diseases. Spread by ticks and livestock, the virus causes sudden fever, organ failure, and internal bleeding, killing up ...
Nov 21, 2025
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New trial shows Pfizer's mRNA flu shot beats traditional flu vaccine
Pfizer's mRNA flu vaccine worked better than a standard flu shot in a large Phase 3 trial, researchers reported.
Nov 21, 2025
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WHO declares end of Indonesia's polio outbreak following yearslong vaccination campaign
The World Health Organization has declared Indonesia's polio outbreak officially over, following nearly three years of intensive response efforts, officials said Friday.
Nov 21, 2025
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Whooping cough surges nationwide as vaccinations fall
Whooping cough is making a major comeback in the United States, with sharp increases now seen in Texas, Florida, California, Oregon and many other places.
Nov 20, 2025
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New flu variant could bring another severe U.S. season
A new flu variant spreading overseas may set the stage for another tough winter in the United States, experts warn.
Nov 20, 2025
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Mistrust and misinformation fuel HPV vaccine hesitancy
A study by CUNY SPH researchers illustrates how mistrust, misinformation, and concerns about autonomy contribute to low HPV vaccine uptake among U.S. adolescents.
Nov 20, 2025
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CDC website changed to contradict scientific conclusion that vaccines don't cause autism
A Centers for Disease Control and Prevention website has been changed to contradict the longtime scientific conclusion that vaccines do not cause autism, spurring outrage among a number of public health and autism experts.
Nov 20, 2025
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HHS proposes new CDC programs, including hepatitis B screening
The Health and Human Services Department is proposing new initiatives for the Centers for Disease Control and Prevention, including a program to increase hepatitis B screening for pregnant women, as part of a broader push ...
Nov 20, 2025
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