Pfizer's Vaccine Candidate Is Effective -- But It Has Issues

Jason Hawthorne, The Motley Fool
·7-min read
Pfizer's Vaccine Candidate Is Effective -- But It Has Issues

As the excitement over Pfizer (NYSE: PFE) and BioNTech's (NASDAQ: BNTX) vaccine announcement ebbs, some harsh realities have started to set in. The vaccine candidate -- while a marvelous feat of science -- has some hurdles to overcome if it's going to fulfill the promise of helping end the global pandemic. Let's look at a few issues the potential Pfizer vaccine will have to overcome to reward shareholders and save lives.