The strain of the coronavirus pandemic on the health care system in Tokyo and other Japanese urban areas is reaching a critical phase, experts warned at a government meeting Wednesday, as the highly contagious Delta variant continued to drive the rise in the country's daily infections to a fresh record.The number of new COVID-19 cases nationwide totaled 15,812 on Wednesday, topping the previous record of 15,753 reported on Saturday, according to a Kyodo News tally.Experts at a meeting of the health ministry's pandemic response panel said the situation in Tokyo, currently under a fourth stat…READ FULL ARTICLE