Image may be NSFW. Clik here to view.By Marina Zhang Researchers have identified a condition, termed post-vaccination syndrome or PVS, following COVID-19 mRNA or COVID-19 adenovirus vaccinations, according to a recent preprint from Yale University. This condition is reported in only a small fraction of the population, the researchers wrote. PVS shares similar symptoms to long COVID, including chronic fatigue, sleep difficulties, […]