‘Each carrier was infecting 5.7 people on average, according to US researchers, who say previous estimate had used incomplete data Latest data based on cases whose origin could be traced more clearly, in provinces that had test kits and ample health care capacity.’
Read here (South China Morning Post, April 15, 2020)
Worst ever Covid variant? Omicron
John Campbell shares his findings on Omicron. View here (Youtube, Nov 27, 2021)
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