President Donald Trump is pushing for a faster timeline, which many experts say is risky and may not allow for adequate testing.
FDA Commissioner Stephen Hahn pledged that career scientists, not politicians, will decide whether any coronavirus vaccine meets clearly stated standards that it works and is safe.
In one of the largest studies yet, Johnson & Johnson aims to enroll 60,000 volunteers to test its single-dose approach in the U.S., South Africa, Argentina, Brazil, Chile, Colombia, Mexico and Peru.
J&Jās vaccine is made with slightly different technology than others in late-stage testing, modeled on an Ebola vaccine the company created.
Going forward, āwe need uniformity throughout the country.āIn a testy exchange, Sen. Rand Paul of Kentucky insisted public health officials were wrong that a lockdown could change the course of the pandemic.