Vaccines

Some counties have very low rates, and all that's needed in those unvaccinated pockets is a spark — an infected person traveling — to spread measles like wildfire.

Babies can’t get the vaccine until they are at least 6 months old. But a vaccinated mom can pass the antibodies on to her newborn.

Supplies of the low-cost shots fluctuate daily and some county health departments still don't have any.

Surgeon General Joseph Ladapo issued a bulletin with false or unproven claims about the efficacy and safety of Covid vaccines.

The current policy was adopted by city agencies in March — eliminating a five-day quarantine requirement and instructing individuals to remain at home until their symptoms improve.

The vaccine has a short shelf life, and many doses expired last year and had to be thrown out.

A government program that provided the vaccines for free is ending this month. State and local health departments won't be able to bridge the gap.

Once widely distributed for free by the federal government, Covid-19 vaccines are now sold commercially. And a CDC program that covered the cost for the uninsured is ending.

Although public health officials recommend the newly approved Covid vaccine for everyone 6 months and older, it may make more sense to wait until closer to the holiday season.

The increase in hospitalizations and deaths is frustrating to public health experts, who say severe outcomes are largely preventable with vaccination. New shots should be available in days.

Misinformation coupled with a parental rights movement that shifts decision-making away from public health expertise has contributed to the lowest childhood vaccine rates in a decade.

Finland is offering farmworkers bird flu shots. Some experts say the U.S. should too.

Covid-19 cases in New York City have trended upward this summer, as vaccine uptake remains low and testing and surveillance systems have been significantly scaled back.

Measles is on the rise in the United States. It’s going to get worse, largely because a growing number of parents are deciding not to get their children vaccinated against measles, as well as diseases like polio and pertussis.