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Artículos sobre Health

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A little more than 8% of vaccinated people in the U.S. have received the Johnson & Johnson vaccine. SOPA Images/Contributor/Light Rocket via Getty Images

Do I need a booster shot if I got the Johnson & Johnson vaccine? A virologist answers 5 questions

It has been six months since the Johnson & Johnson vaccine received emergency use authorization. What does six months of data show about its efficacy, side effects and protection from variants?
Low-cost air-ventilation systems have been installed in many classrooms across the U.S. to help reduce COVID-19 transmission. Halfpoint Images/Moment via Getty Images

COVID-19 has spurred investments in air filtration for K-12 schools – but these technologies aren’t an instant fix

Air-ventilation upgrades have been badly needed in U.S. classrooms since long before the pandemic. Low-tech filtration systems that cost about the same as a textbook per student can make a big difference.
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Appetite for convenience: how the surge in online food delivery could be harming our health

During the pandemic, Australians have been using food delivery apps more than ever. We’ve assessed how healthy the options available to us are — and the news isn’t good.
A station passageway is crowded with commuters wearing face masks during rush hour at Shinagawa Station. A recent survey suggests that 83 per cent of Japanese citizens don’t want the Olympics to proceed as scheduled, fearing a surge in case numbers. (AP Photo/Eugene Hoshiko)

The WHO and the IOC are playing with lives at state-of-emergency Tokyo Olympics

Let’s make one thing perfectly clear — nothing short of people’s lives are at stake at the Tokyo Olympics. No amount of money can justify a single preventable death.

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