Concern over COVID-19 stems not only from its high degree of virulence, but from its ability to continuously mutate and produce new variants. An effective vaccine can help slow the virus’ spread, but …
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The Taiwan NEWS
Concern over COVID-19 stems not only from its high degree of virulence, but from its ability to continuously mutate and produce new variants. An effective vaccine can help slow the virus’ spread, but …
( read original story …)