Covid-19 variants

Intranasal vaccines for Covid-19 will be critical to protect people against the emerging variants of concern of the SARS-CoV-2 virus, according to a study. Researchers at the University of Virginia (UVA) in the US noted that the widely…
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World Health Organization (WHO) director-general Tedros Adhanom Ghebreyesus has pointed out two reasons that will trigger the ongoing Covid-19 pandemic to drag on, and create an “ideal condition” for more new variants of the virus to…
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