John Coates, the head of the International Olympic Committee's coordination commission, said a vaccine for the new coronavirus is not necessary for the Tokyo 2020 Olympics to go ahead next summer, Australian Associated Press reported Wednesday.Coates, whose comments cut against the grain of those recently issued by infectious disease experts around the globe, said a vaccine "would be nice."On Tuesday, Japan Medical Association President Yoshitake Yokokura said the games would be difficult to hold without a vaccine for the virus that has brought much of the world's sports to a standstill and…READ FULL ARTICLE