The principle underlying herd immunity is that the presence of enough immune persons in a community interrupts the transmission of an infectious agents, thereby providing indirect protection to unimmunized (or susceptible) persons!
Science correspondent Thomas Moore explains how and why ‘herd immunity’ is at the centre of the government’s plan to tackle COVID-19. SUBSCRIBE to our YouTube channel for more videos: Follow us on Twitter: Like us on Facebook: Follow us on…
An infectious disease expert says people shouldn’t just try to avoid getting coronavirus – instead, they should act as though they already have the virus and want to avoid passing it on. Subscribe to our channel here: Professor of Infectious…