Flu shots are related to a fall in COVID-19 infections, and researchers are uncertain about why Recent Reveal Patients who had received a flu immunization during the previous year were significantly less likely to test positive for the Covid then those who hadn't, according to a study of health reports from more than 27,000 patients in Michigan who were tested for Coronavirus by July 2020. However, another investigation conducted by health experts in Michigan has yielded an intriguing result, which the researchers are unable to fully explain at this time. Facts and figures Overall, 1,218 of the 27,201 patients in the study who were tested for Coronavirus tested positive, accounting for 4.5 percent of the total. It's important to note that this is a standard number that represents all patients who received and those that did not receive an influenza shot. In the Michigan report, only 4% of people who had received an influenza vaccine tested positive for Co...