As a heat wave continues to grip much of Japan and send thousands to hospital with heat-related illnesses, medical workers worry that the similarity of symptoms to COVID-19 may place extra pressure on a health care system already creaking under the strain of the coronavirus pandemic.The number of people showing signs of heatstroke or heat exhaustion has sharply increased recently. Temperatures soared to 41.1 C in Hamamatsu in central Japan on Monday, tying with the country's highest-ever temperature, marked in Kumagaya near Tokyo in 2018."There are times when we can't immediately tell apart…READ FULL ARTICLE