A vaccine for COVID-19 is on the horizon. However, there are still a lot of questions to be answered about what to be expected when it is available sometime this winter — including how long a single vaccination will last. During a live Q&A with National Institute of Health Director Dr. Francis Collins and the National Institute of Allergy and Infectious Diseases, Dr. Anthony Fauci, the nation's top infectious disease doctor, revealed some details about the upcoming vaccine. Read on, and to ensure your health and the health of others... Читать дальше...