The second time Vanessa Quintero's family caught the virus, probably from her 8-year-old daughter, fewer people got sick. They and their doctors credit the protection of vaccination.
With high-profile stories of vaccinated people dying from COVID, how worried should you be about getting a serious breakthrough case? Here's how the data shake out.
As the delta variant causes more vaccinated people to get "breakthrough infections," concerns are rising that even the vaccinated could develop long COVID symptoms in rare cases.
Some kids are getting sick or passing the coronavirus to vaccinated family and friends. It's all unnerving to many parents. "It felt like a terrible head cold," one dad says. "My brain was foggy."
Fully vaccinated Olympic athletes and members of Congress have tested positive for the virus. Should you be worried? How common are breakthrough infections, and are they rising?
