Scientists find new way of predicting COVID-19 vaccine efficacy

Delaying a COVID Vaccine's Second Dose Boosts Immune Response in the Elderly

Delaying a COVID vaccine’s second dose boosts immune response: Older people who waited 11–12 weeks for their second jab had higher peak antibody levels than did those who waited only 3 weeks

US nurses working in critical care have been severely impacted by the COVID-19 pandemic