Japan is set to begin administering booster shots of COVID-19 vaccine from Dec. 1 after a health ministry panel approved the move on Monday, joining other countries in taking steps to prevent protection from waning over time.The vaccine developed by Pfizer Inc. and BioNTech SE will initially be the only one used for the third doses, meaning individuals who have received either of the other two types used in Japan -- Moderna Inc. and AstraZeneca Plc. -- will need to "mix and match."The Ministry of Health, Labor and Welfare panel also said individuals will in principle need to wait eight mont…READ FULL ARTICLE