Swedish scientists, in the course of a study, determined how much antibodies persist in people who have had a mild or asymptomatic coronavirus. As it turned out, they were protected for about a year. At the same time, vaccination increases the number of antibodies and increases protection against COVID-19. A large-scale work was carried out […]
It is known that approximately 40% of people, according to an expert in infectious diseases, professor at Vanderbilt University in Tennessee William Schaffner, carry Covid-19 “on their feet” without experiencing characteristic symptoms. How to determine if a winter cold was a coronavirus or if it went completely unnoticed? Lead researcher at Johns Hopkins University Dr. […]