High Envirm News Today

So the covid-19 vaccine could some day become an annual shot. thats according to to the former head of the u.s. food and drug administration. who is also a pfizer board member. he compares it with the flu vaccine. which is given once a year. in the fall and winter in the united states. when the flu risk is at its highest. >> i think this is really a six month vaccine. in term of providing meaningful protection against symptomatic disease. and infection. this is likely to become an annual vaccine...