Doctor Yong solves doubts. How many more injections does the coviral vaccine have to be enough?
Doctor Yong reveals that the first 3 doses of the Covid-19 vaccine are necessary to reduce the symptoms of the disease. And still have to inject and stimulate continuously, even after receiving 4 injections, the immunity will decrease with time. Date 3 Mar. 65 Prof.Dr. Yong Phuworawan Head of the center specializing in virology Clinic, … Read more