The requirements laid out by the Food and Drug Administration in advice for drugmakers underscore why it's unlikely a vaccine could clear the agency before Election Day.
Volunteers getting the shot help determine if a candidate vaccine works. But what with social distancing and masks, scientists must discern if it's the shot or these other measures preventing illness.
"We've got to take a deep breath," says one health official about the rapid timeline pushed by the CDC. "It is very clear that we need to lean forward to prepare to deliver the vaccine."
Alarmed by that dramatic drop, public health experts and pediatricians are encouraging parents to get their children’s shots up to date. Getting current is critical to keeping many diseases at bay, they say, especially with flu season approaching.
New vaccines usually take years to get the approval of the Food and Drug Administration. But the Trump administration suggests the FDA may greenlight a coronavirus vaccine by the end of the year.
The World Health Organization's Tedros Adhanom Ghebreyesus says he fears that without global cooperation ensuring equal access to COVID-19 vaccines, some countries could resort to hoarding.
The presumptive Democratic nominee now leads President Trump by 11 points. And more people are worried about the coronavirus, but 35% still say they won't get vaccinated when one's available.
Moderna, one of the leading horses in the coronavirus vaccine race, has already made deals at between $32 and $37 a dose for some foreign countries. The U.S. price is expected to be lower.
Adjuvants play a crucial role in many vaccines' effectiveness. Some scientists say there needs to be more research into developing a wider variety of adjuvants because of how important they are.
Two new human studies back earlier hints that vaccines designed to prevent respiratory infections might also provide some protection against Alzheimer's disease.
It warned of the first drop in 28 years for vaccinations against diptheria, tetanus and pertussis — a marker for immunization coverage — based on preliminary data from the first four months of 2020.
The Centers for Disease Control and Prevention says flu season is starting to ramp up — and it's not too late to reduce your risk with a vaccine. But...
