Live Covid-19 Live Updates: Some Johnson & Johnson Vaccine Doses on Hold in U.S. After Factory Mix-Up France will enter its third national lockdown. Johnson & Johnson Covid-19 vaccine doses are delayed by a U.S. factory mix-up. As of Tuesday, 29 percent of Americans had received at least one dose of a coronavirus vaccine, and 16 percent had been fully inoculated, according to the C.D.C. Among the roughly 107 million doses, 67.5 million are from Pfizer-BioNTech, 9.8 million from Moderna, and 29.8 million from AstraZeneca. There was no scientific data at the time demonstrating that mixing two coronavirus vaccines was safe and effective.

Source: International New York Times March 31, 2021 09:02 UTC