<span style="color: #222222;">A Japanese health ministry panel green-lit a plan on Wednesday to allow a fourth Covid-19 vaccine shot to be given to senior citizens and those with underlying medical conditions. The plan states that the fourth jabs of vaccines will be administered to the eligible recipients five months after they have received their third shot. Those eligible for the extra booster shot will comprise seniors aged 60 years old or over and will also include those older than 18 who suffer from certain underlying medical conditions.</span>