Covid-19 roundup: CDC study confirms real-world efficacy of mRNA shots; India export limits delay COVAX shipments

A new real-world study from the CDC confirms the high efficacy levels and protective benefits of mRNA Covid-19 vaccines, the agency

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Covid-19 roundup: CDC study con­firms re­al-world ef­fi­ca­cy of mR­NA shots; In­dia ex­port lim­its de­lay CO­V­AX ship­ments