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Pharmaceutical company Merck said Friday it will seek authorization in the US of its oral drug molnupiravir for Covid-19.
Pfizer and BioNTech on Monday said trial results showed their coronavirus vaccine is safe and produces a robust immune response in children.
The recovery in the US labor market has been battered by the surge of the Delta variant of Covid-19 that has slowed hiring, but...
The Delta variant of the virus that causes Covid-19 doubles the risk of hospitalisation compared to the Alpha variant it has supplanted.