Johnson & Johnson announced on Friday the results of its coronavirus vaccine Phase 3 trial, revealing to the world that the drug can prevent severe COVID-19 that leads to hospitalization and death. The vaccine is safe to use and had no serious side-effects during the massive Phase 3 trial. The company also said that the drug will work against the B.1.351 South African mutation, the only new coronavirus strain that has been shown to evade some drugs that are already in use.
