Venkatesh Rao@vgr“Another steep challenge: distributing doses that must be kept very cold. Both the Moderna and Pfizer shots are frozen, but at different temperatures... Pfizer’s shots require long-term storage at ultra-cold temperatures.”latimes.comModerna's COVID-19 vaccine boasts a nearly 95% effective rate in early dataThere's more promising news on the COVID-19 vaccine front as Moderna says its shot provides strong protection against the coronavirus.3:52 PM · Nov 16, 20203 Likes