Tag: rates
The waxing and waning of the coronavirus pandemic in Europe shows new danger areas emerging
Europe has seen major changes in coronavirus case rates over the last two months. More...
Johnson and Johnson vaccine has a 72% overall efficacy rate in the US and 64% in South Africa
The Johnson and Johnson vaccine had a 72 percent overall efficacy rate in the United States and 64 percent in South Africa, where a highly contagious variant emerged in the fall and is now driving most cases. More...