Flu vaccine linked to less severe COVID-19COVID-19 patients who had received the flu vaccine 6 months to 2 weeks prior to diagnosis were less likely to have sepsis, stroke, and—with some time constraints—deep vein thrombosis (DVTs) and admission to the intensive care unit (ICU) or emergency department (ED), according to a study yesterday in PLOS One.The researchers used an electronic medical record network to match 37,377 COVID-19 patients who had received the flu vaccine with 37,377 of those who hadn't in January 2021, drawing from 56 healthcare organizations predominantly in the United States.
Across 30, 60, 90, and 120 days after being diagnosed as having COVID-19, those who received the flu vaccine had lower occurrences of sepsis (risk