Diseases, Conditions, Syndromes

WHO warns of virulent COVID variant risk

The World Health Organization on Wednesday laid out three possible paths that the COVID-19 pandemic might follow in 2022—with a new, more virulent variant the worst-case scenario.

Medical research

Needle-free vaccine patches coming soon, say researchers and makers

Effective vaccines, without a needle: Since the start of the COVID pandemic, researchers have doubled down on efforts to create patches that deliver life-saving drugs painlessly to the skin, a development that could revolutionize ...

Diseases, Conditions, Syndromes

Vaccine protection wanes within 6 months: phone app study

Protection from two doses of the Pfizer and AstraZeneca vaccines wanes within less than six months, according to a study of phone app data Wednesday, suggesting that booster shots may be needed to ensure prolonged coverage.

Diseases, Conditions, Syndromes

Why older adults must go to the front of the vaccine line

Vaccinating older adults for COVID-19 first will save substantially more U.S. lives than prioritizing other age groups, and the slower the vaccine rollout and more widespread the virus, the more critical it is to bring them ...

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