Could old vaccines for other germs protect against COVID-19? if it works, "it could be a very important tool to bridge this dangerous period until we have on the market a proper, specific vaccine."

Could old vaccines for other germs protect against COVID-19? if it works, "it could be a very important tool to bridge this dangerous period until we have on the market a proper, specific vaccine.": https://ift.tt/3ejmEyH Read more... https://ift.tt/2V56eCn