The global COVID-19 total passed 19 million cases today, and in a major vaccine development, two global health groups announced a collaboration with the Serum Institute of India (SII) to ramp up capacity to make up to 100 million vaccine doses for low- and middle-income countries.Today the global total climbed to 19,176,642, and 716,400 people have died from their infections, according to the Johns Hopkins online dashboard.Vaccine capped at $3 per doseGavi, the Vaccine Alliance, today announced that it and the Bill & Melinda Gates Foundation will collaborate to provide SII, the world's largest vaccine maker, with financial support to increase vaccine capacity now, so that production can begin as soon as a vaccine is approved.