Las máscaras siguen siendo una pieza fundamental en la lucha contra la pandemia, porque las personas se infectan principalmente con el SARS-CoV-2, el virus que causa covid-19, al inhalar pequeñas partículas de aerosol que permanecen en el ambiente y las gotas respiratorias que se producen al toser y estornudar.
Public health experts increasingly urge people to upgrade to surgical masks, but also maintain that cloth masks still offer protection.
V-safe is a new safety monitoring system that lets anyone who has been vaccinated against covid-19 report possible side effects directly to federal health officials. Experts believe the smartphone tool has so far helped demonstrate the vaccines are safe.
Back-to-school season has fueled immediate covid outbreaks. Instead of beefing up protections, some districts are letting students go without masks, physical distancing and quarantines. And parents are left to make impossibly tough decisions.
Local health officials find themselves once again behind the covid curve as the delta variant drives their case counts. With resources already stretched, along with the politicization of covid-19, county and state health departments in places like Missouri and Texas are making tough calls on whom to trace.