Health

Do we still need to wear masks outdoors?

How long does COVID-19 vaccine last?

Sleep helps protect against dementia, according to a recent study

An unfortunate class exercise ends with a viral discussion between the teacher and a well-known poet

The flu disappeared during the pandemic. What will his return look like?

Why India is destroying global records of infection

Some hospitals in Buenos Aires have to choose patients before collapses due to covid-19 | Video

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US coronavirus: US has a chance to overcome the pandemic, but a major challenge follows, says expert

The rate of coronavirus in California is now the lowest in the continental United States