University of Minnesota http://twin-cities.umn.edu/ 612-625-5000 A study of 700 people who tested positive for influenza suggests that their risk of infecting household contacts was 18.8% and that the estimated effectiveness of flu vaccines against secondary infections is 21.0%. Vanderbilt University–led researchers tested nasal swabs for evidence of influenza and analyzed symptom diaries for up to 7 days from 699 participants and their 1,581 household members during the 2017-18, 2018-19, and 2019-20

University of Minnesota http://twin-cities.umn.edu/ 612-625-5000 A study of 700 people who tested positive for influenza suggests that their risk of infecting household contacts was 18.8% and that the estimated effectiveness of flu vaccines against secondary infections is 21.0%. Vanderbilt University–led researchers tested nasal swabs for evidence of influenza and analyzed symptom diaries for up to 7 days from 699 participants and their 1,581 household members during the 2017-18, 2018-19, and 2019-20

University of Minnesota http://twin-cities.umn.edu/ 612-625-5000 A pooled analysis of three randomized controlled trials in Denmark shows that adult influenza vaccine uptake improved with electronic reminders emphasizing the vaccine’s cardiovascular benefits—particularly among those with a history of heart attack who weren’t vaccinated the previous year. A team led by Kaiser Permanente San Francisco researchers, which published the findings yesterday in JAMA Cardiology, said the low-cost, scalable