Coronavirus, Covid-19 Vaccine Latest Update Today: Brazil approves Oxford vaccine trials; Moderna to start final phase in July

Coronavirus, Covid-19 Vaccine Latest Update Today: Brazil approves Oxford vaccine trials; Moderna to start final phase in July

Coronavirus (Covid-19) vaccine latest update: Brazil approves Oxford vaccine trials; Moderna to start final phase in July

Coronavirus (Covid-19) Vaccine Latest Update: US has selected five companies as the most likely candidates to produce a vaccine; Moderna is looking to start final phase of trials as early as July.