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Johnson & Johnson coronavirus vaccine generates immune response, few side effects, in early trials

January 13, 2021. Summarized by summa-bot.

Compression ratio: 15.1%. 1 min read.

Early stage trials of Johnson & Johnson's experimental coronavirus vaccine show it generated an immune response in nearly all volunteers, with minimal side-effects, after a single dose.

Writing in the New England Journal of Medicine, an international team of researchers who tested the vaccine in around 800 volunteers said the early stage trials showed it was safe and probably should work.

In the 36 days since countries started vaccinating, 28 million vaccine doses have been administered, he said.

Ryan added there have been 5 million new cases of Covid-19 and 85,000 deaths linked to the virus globally in the past week.

Mass vaccinations, warmer weather, a new presidential administration and a population building immunity could lead to a "dramatically better" summer, he said.

A leading Chinese Covid-19 vaccine developed by Sinovac Biotech was just 50. 38% effective in late-stage trials in Brazil, significantly lower than earlier results showed, according to a statement published by the government of Sao Paulo Tuesday.

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