Japan will begin administering COVID-19 vaccine to an initial group of 40,000 health workers on Wednesday, double the number previously planned, the minister in charge of vaccination efforts said Tuesday.Inoculation of the elderly will begin in April, Taro Kono told a press conference, adding that a second shipment of Pfizer Inc.'s vaccine is set to arrive from Europe next week.Kono said more health workers than expected had volunteered for a study to track potential side effects and the frequency with which they occur. The study will still go ahead with 20,000 doctors and nurses at 100 hos…READ FULL ARTICLE