Wearing masks outdoors to protect against the coronavirus is not necessary providing social distancing is practiced, Japan's top government spokesman said Wednesday, with the approach of summer increasing the risk of heatstroke.Chief Cabinet Secretary Hirokazu Matsuno said the government will continue to review anti-virus measures while monitoring the country's coronavirus situation and consulting with medical experts.Mask requirements have been easing overseas in line with progress in vaccinations against COVID-19. The United States has lifted a federal mask mandate and the use of masks is…READ FULL ARTICLE