[video+transcript]Could Late-Stage Coronavirus Vaccine Trials Fail?

[video+transcript]Could Late-Stage Coronavirus Vaccine Trials Fail?

Source: 
Motley Fool
snippet: 

Pfizer (NYSE:PFE) and its German partner BioNTech (NASDAQ:BNTX) reported incredible efficacy data from a phase 3 trial for their mRNA coronavirus vaccine candidate. This news, paired with the equally impressive data from Moderna (NASDAQ:MRNA) about its candidate that takes a similar approach, inspired much hope around the world and injected optimism into the stock market.