Vaccination

How does mixing and matching COVID-19 boosters work?

On Wednesday, the U.S. Food and Drug Administration authorized Moderna and Johnson & Johnson booster shots and also said Americans who are fully vaccinated against COVID-19 can receive a booster shot of a vaccine that is ...

Diseases, Conditions, Syndromes

Latvia goes back into lockdown as COVID rate spikes

Latvia plunged back into lockdown on Thursday with non-essential shops closed and cinema, theatres and hairdressers shutting down for a month in a bid to break the world's worst COVID rate.

Health

Cigarette sales jumped during pandemic

(HealthDay)—As COVID-19 has surged throughout the United States for the past year and a half, some may have picked up an old bad habit or started a new one.

Alzheimer's disease & dementia

Biogen CEO: 'Major bottleneck' still limits Alzheimer's drug

A new Alzheimer's drug from Biogen brought in only $300,000 in sales during its first full quarter on the market, extending a slow debut complicated by coverage questions and doctor concerns.

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