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A vacina experimental contra o novo coronavírus produzida pela farmacêutica Pfizer, em parceria com a empresa de biotecnologia BioNTech, demonstrou bons resultados em testes com humanos. A vacina estimulou a resposta imune dos pacientes saudáveis, informou a Exame.
No entanto, a vacina também causou efeitos colaterais, como febre, em doses mais altas.
Em testes iniciais, a vacina foi capaz de gerar anticorpos contra a Covid-19 e alguns deles chegaram a neutralizar o vírus, o que pode significar que é capaz de parar o funcionamento dele. De acordo com a reportagem, ainda não se sabe se esse nível mais alto de anticorpos é realmente capaz de gerar imunidade à doença. A Pfizer irá conduzir novos estudos em breve para provar que quem tomou a vacina é 50% menos vulnerável ao vírus.