Vaccines are less effective against some COVID-19 variants and boosting may be required within one year to maintain efficacy above 50 percent, according to a new study.
Nov 18, 2021
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As COVID-19 breakthrough infections continue to emerge in some vaccine recipients and health authorities are developing policies around booster vaccinations, national data on COVID-19 vaccine breakthrough infections is inadequate ...
Nov 4, 2021
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Scientists have found clues that the world's leading COVID-19 vaccines offer lasting protection that could diminish the need for frequent booster shots, but they caution that more research is needed and that virus mutations ...
Jun 2, 2021
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(Medical Xpress)—Older adults can improve their decision making and working memory simply by putting on a happy face, a new study suggests.
Jan 30, 2013
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Cancers are notorious for secreting chemicals that confuse the immune system and thwarting biological defenses.
Jul 15, 2012
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Boosters that target the omicron subvariants of SARS-CoV-2 are still providing reasonably durable protection against infection, hospitalization and death from COVID-19, according to new data from a study led by researchers ...
May 30, 2024
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New research published in Nature Human Behavior suggests that text nudges encouraging people to get the COVID-19 vaccine, which had proven effective in prior real-world field tests, are also effective at prompting people ...
Mar 18, 2024
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Four years into the COVID-19 pandemic, the disease is still responsible for more than 3,000 U.S. deaths a month, according to the Centers for Disease Control and Prevention.
Mar 6, 2024
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The most recent COVID-19 booster shot reduces adults' risk of moderate or severe COVID by more than half, according to a new nationwide data study from September 2023 through January 2024, a period of JN.1 variant dominance.
Mar 1, 2024
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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.
Feb 19, 2024
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