Long-haulers are pushing the limits of COVID-19 vaccines

People’s postvaccination outcomes are “all over; it’s anecdotal,” Melissa Pinto, an [associate professor of nursing] and long-COVID researcher at UC Irvine, told me. “We don’t even know what makes a person at risk for long COVID or how long COVID happens without a vaccine.” The shots, Pinto said, just add another perplexing variable to the jumble.