Are Experts Underselling the Effectiveness of Covid-19 Vaccines?

David Leonhardt won a Pulitzer Prize for commentary in 2011. This week in a New York Times newsletter, he argues that early in the pandemic experts around the world mistakenly discouraged mask use because of “a concern that people would rush to buy high-grade medical masks, leaving too few for doctors and nurses. The experts were also [at the time] unsure…

Does coronavirus linger in the body?

Some viruses can hide out in the body and reemerge at later times. Which viruses do this, and can the new coronavirus do this too? Source: https://earthsky.org/human-world/does-coronavirus-linger-in-body-immune-system-covid…