Teachers and education officials are calling for students to pay special heed to the risk of heat exhaustion this summer, as many schools across Japan shorten their summer holidays and hold more classes than usual to make up for closures due to the novel coronavirus pandemic."Wearing masks is effective in curbing the spread (of the virus), but I would like (schools) to prioritize their responses to heat exhaustion," education minister Koichi Hagiuda told a news conference on Friday.Temperatures have risen rapidly in recent days, prompting the central government on Thursday to issue a warnin…READ FULL ARTICLE