Two doses of Chinese Covid vaccine Sinopharm produced nothing or only minimally detectable neutralising activity against some Omicron sub-variants, according to a small study published in The Lancet Infectious Diseases journal.A third booster .
Beijing, June 21 (IANS) Two doses of Chinese Covid vaccine Sinopharm produced nothing or only minimally detectable neutralising activity against some Omicron
The immune response that can be achieved by administering Covid-19 booster shots at a reduced dosage is to be assessed in an international trial, in a bid to maximise global vaccine supply. The Coalition for Epidemic Preparedness Innovations (CEPI), a global foundation that funds vaccine development, said the trials of up to 3,300 healthy adults in Australia, Indonesia and Mongolia.
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