Health

Myocarditis from COVID-19 booster rare, but risk highest among teen boys, young men Cases of myocarditis – an inflammation of the heart muscle – following a third dose of the Pfizer vaccine are rare and typically mild, research from Israel shows. www.heart.org

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What Scientists Have Learnt from COVID Lockdowns

(Nature) ...

Scientists have been studying the effects of lockdowns during the pandemic in the hope that their findings could inform the response to future crises. They have reached some conclusions: countries that acted quickly to bring in stringent measures did best at preserving both lives and their economies, for instance.

China and India approve nasal COVID vaccines — are they a game changer? Nature - Scientists hope the immunizations, delivered through the nose or mouth, will prevent even mild cases of illness. Waltz, Emily nature

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These mucosal vaccines target thin mucous membranes that line the nose, mouth and lungs. By prompting immune responses where SARS-CoV-2 first enters the body, mucosal vaccines could, in theory, prevent even mild cases of illness and block transmission to other people — something COVID-19 shots have been unable to do. Vaccines that produce sterilizing immunity would be game changing for the pandemic. ...