Do not mix and match Covid-19 vaccines: Swaminathan
Mixing and matching of Covid-19 vaccines is a “dangerous” trend as there is no sufficient backup data available to support its efficacy, the.
Mixing and matching of Covid-19 vaccines is a “dangerous” trend as there is no sufficient backup data available to support its efficacy, the.
uly 13, 2021: About a tenth of the local population, or 811 million people, were undernourished during the pandemic year, 2020, according to.