Novos impulsionadores da COVID que visam as cepas de Omicron de rápida propagação do vírus estão sendo lançados esta semana, com o CDC recomendando estas chamadas doses bivalentes de mRNA para americanos de 12 anos ou mais. Aqui está o que saber.
A não ser que haja "bolas curvas pandêmicas", as vacinas combinadas recentemente autorizadas contra a COVID-19 aproximarão a maioria dos americanos elegíveis de apenas receber uma vacina COVID-19 uma vez por ano -- como as vacinas de rotina contra a gripe -- disse a Casa Branca e outras autoridades de saúde pública na terça-feira.
A China e a Índia aprovaram vacinas COVID-19 que podem ser dadas pelo nariz ou pela boca, que os cientistas esperam que seja uma "mudança de jogo" para a pandemia.
Os rótulos de advertência nos produtos alcoólicos estão desatualizados e não refletem os danos causados pelo álcool, incluindo o aumento do risco de câncer, dizem os autores de um artigo do NEJM.
Os consultores do CDC, de certa forma relutantes, votaram em apoio às novas versões bivalentes das vacinas COVID-19 apesar da falta de dados de ensaios clínicos, o diretor do CDC segue o exemplo.
Espera-se que as vacinas COVID atualizadas estejam disponíveis até o Dia do Trabalho, mas os especialistas em saúde pública têm sentimentos mistos, com alguns citando a falta de dados humanos e outros dizendo que a necessidade é urgente.
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