https://t.co/GHDoPRCrukJapan has avoided the large infections suffered by other nations, but the fourth pandemic wave took Osaka prefecture by storm.Hospitals in Japan's second-largest city of Osaka are buckling under a huge wave of new coronavirus infections, running out of beds and ventilators as exhausted doctors warn of a "system collapse".Learning from the first wave last year, authorities in Mumbai made several improvements to their approach to tackle the second wave."Have been tweeting about hopeful signs of improvement in Mumbai.