WHO alerts over infection immunity
But in an open letter to the Geneva-based company, published on Monday in the Clinical Contagious Diseases journal, 239 scientists in 32 countries outlined proof that they state shows floating virus particles can infect people who breathe them in.
Since those smaller sized particles can linger in the air, the scientists are advising WHO to upgrade its guidance.
” We are aware of the short article and are evaluating its contents with our technical experts,” WHO representative Tarik Jasarevic said on Monday in an e-mail.
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How often the coronavirus can spread out by the air-borne or aerosol path – as opposed to by bigger droplets in coughs and sneezes – is not clear.
Any modification in the WHO’s assessment of risk of transmission could affect its curr