Health

Do we still have to wear masks outside?

How long does protection against the COVID-19 vaccine last?

Sleep helps protect against dementia, recent research shows

An unfortunate classroom exercise ends with a viral discussion between the teacher and a famous poet

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

Why India Shatters Global Infection Records

Some Buenos Aires hospitals have to choose patients before collapsing because of covid-19 | Video

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Pop-up sites go down as more vaccine doses become available in Santa Clara County – NBC Bay Area

US Coronavirus: US Have Potential to Overcome Pandemic, But Big Challenge Lets Us, Expert Says