Ask KHN-PolitiFact: How can COVID vaccines be safe when they were developed so fast?
The development of the first COVID vaccines may have seemed to occur at a dizzying pace. After all, scientists identified a new virus and created vaccines to protect against its most severe effects within a year. But the research underpinning these vaccines isn’t that new at all, vaccine experts say. Some of it is decades old. This foundation, combined with technical expertise, urgency and financial resources, enabled scientists to pull off the medical marvel.... Read more»0