The Japanese government is considering asking Pfizer Inc. to speed up its delivery of COVID-19 vaccine beyond the fall amid concern about a supply shortage, a government source said Thursday.Prime Minister Yoshihide Suga is expected to make the request in an upcoming meeting with the U.S. pharmaceutical giant's CEO, Albert Bourla, the source said.Under existing agreements with Pfizer, Japan will receive 100 million vaccine doses by June, 70 million between July and September, and another 20 million in or after October.According to the source, the government wants the last batch of 20 millio…READ FULL ARTICLE