Os Centros de Controle e Prevenção de Doenças dos EUA na segunda-feira adicionaram a Islândia, a República Tcheca, a Hungria e a ilha de Guernsey, no Canal da Mancha, à sua lista de destinos de viagem de maior risco para os americanos.
Os casos de coronavírus estão aumentando novamente em mais da metade dos Estados Unidos, possivelmente indicando o início de um novo surto para o inverno.
Uma nova pesquisa mostra que muitos americanos planejam tomar precauções neste período de férias, pedindo aos hóspedes que usem máscaras ou celebrando apenas com os membros da família.
Ao estudar o crescimento do câncer em ratos comendo diferentes dietas, os cientistas estão aprendendo o que faz os tumores prosperarem e o que pode enfraquecê-los e retardar seu crescimento.
Quando as pessoas usam máscaras faciais para reduzir a propagação do coronavírus, o número de novas infecções COVID-19 diminui em 53%, de acordo com um novo estudo publicado na quinta-feira no British Medical Journal.
Mais de 40% dos sobreviventes da COVID-19 em todo o mundo têm ou tiveram efeitos a longo prazo após a recuperação, de acordo com um novo estudo feito por pesquisadores da Universidade de Michigan.
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