Covid Data Collection Methods Are Making Vaccines Seem Less Effective
Doses of Moderna Covid-19 vaccine shots.
Photographer: Lam Yik Fei/BloombergHere’s the latest news from the pandemic.
New York City is about to trip a threshold that will put it in the Centers for Disease Control and Preventions’s “high” zone for Covid-19 warnings, bringing with it calls from public health officials to once again don masks in shared indoor space.