The global COVID-19 total passed 15.5 million cases today, with no let-up in brisk activity in the main hot spots, including India, which reported another daily record high.So far, 15,628,936 cases have been reported, along with 636,262 deaths, according to the Johns Hopkins online dashboard.India, Americas, and South Africa developmentsIndia today reported another daily record high number of cases, 48,891, amid reports that clinicians are facing shortages of generic remdesivir, an antiviral that studies have shown as promising for critically ill patients, Reuters reported.Gilead, which makes remdesivir, had authorized six Indian companies, along with three makers from other countries, to make and sell a generic version of the drug in 127