Why Does the AstraZeneca COVID-19 Vaccine’s Efficacy Vary So Much? Here’s What We Know

AstraZeneca’s COVID-19 vaccine is up to 90% effective, the company said Monday in a press release, making it the third pharmaceutical firm to report promising vaccine news, following Pfizer and Moderna. AstraZeneca, which partnered with University of Oxford researchers to develop its two-dose vaccine, reported efficacy from two different dosing regimens; one led to 62% … Read more

These Are the CDC Vaccine Committee’s 4 Key Guidelines for COVID-19 Shot Distribution

With three vaccine makers—Pfizer, Moderna and AstraZeneca—now reporting that their COVID-19 shots are 90% or more effective, governments are starting to make decisions about how to distribute the first doses, which will be in limited supply. In the U.S., that initial group will include health care workers, essential workers like law enforcement personnel and first … Read more

Doctors and Nurses Talk About Burnout as Another Wave of COVID-19 Hits U.S.

Months into the COVID-19 pandemic, with cases and hospitalizations surging across the country, health care workers are getting burned out mentally and physically. Sarah Flanagan, a Florida nurse who routinely treats COVID-19 patients, decided to cut back her hours and to switch to working part-time after feeling disheartened by the spread of false claims online … Read more