Encouraging data from Covid-19 vaccines won't prevent a dangerous stretch of rising cases, experts warn

The US received more good news on the vaccine front this week -- with Moderna's clinical trial data showing its vaccine is more than 94% effective. But the country is still battling a Covid-19 crisis that's ravaging communities and hospital...

Encouraging data from Covid-19 vaccines won't prevent a dangerous stretch of rising cases, experts warn
The US received more good news on the vaccine front this week -- with Moderna's clinical trial data showing its vaccine is more than 94% effective. But the country is still battling a Covid-19 crisis that's ravaging communities and hospital systems and is projected to get a lot worse before a possible vaccine could offer any help.