Scientists in Brazil have downgraded the efficacy of a Chinese coronavirus vaccine that they hailed as a major triumph last week, diminishing hopes for a shot that could be quickly produced and easily distributed to help the developing world. Officials at the Butantan Institute in São Paulo said...
If China's vax is this terrible, clearly they didn't release it on purpose. But that also means another chinese accident is that much more likely to happen (total incompetence all around).
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