CDC Recommends Face Masks in All Public Transportation Settings
Agency urges transport operators to 'refuse boarding to anyone not wearing a mask'
Scientists to Infect Volunteers With COVID-19 in Challenge Trial
Challenge trials have long history, going back to development of smallpox vaccine in 1796
Neurologic Complications Seen in Hospitalized COVID-19 Patients
Neurologic disorders tied to increased risk for in-hospital mortality
Risk for Severe COVID-19 Low With Congenital Heart Disease
Higher risk for severe disease seen with genetic syndrome, adults at advanced physiological stage
Inactivated SARS-CoV-2 Vaccine Well Tolerated in Phase 1/2 Trial
Neutralizing antibody geometric mean titers higher in vaccine group at day 42 in phase 1 trial
COVID-19-Linked Deaths Mainly in Seniors in May to August 2020
Percentage of decedents who were Hispanic increased from 16.3 to 26.4 percent in May to August
No Pfizer COVID-19 Vaccine Expected Before Election
Company has reversed its previous claims that it would apply for the approval in October
Pandemic Taking Toll on the Mental Health of Health Care Staff
Clinically significant posttraumatic stress symptoms seen in estimated 23.4 percent during acute phase
Emergency Sick Leave Helped to Flatten the U.S. COVID-19 Curve
Compared with before sick leave, newly gained sick leave led to 400 fewer confirmed cases per day
Reinfection With SARS-CoV-2 Described in 25-Year-Old
Patient had two positive tests in April and June 2020, separated by two negative tests in May 2020
