A new study of prison populations shows vaccination can ward off infection — up to a point. Masks and ventilation could make the difference, Lisa Jarvis writes
In the trial of Sophia Cannonier and Michael Watson, who are charged with breaching public safety regulations, a molecular biologist argues there was no need to quarantine
Khalid Wasi writes that antivax campaigner Eugene Dean deserves credit for his perseverance in keeping the discussion alive throughout the Covid-19 pandemic