This Year’s Flu Shot Was a Bust, CDC Says | MedPage Today March 11, 2022 Study finds non-significant effectiveness of 16% against predominant strain https://www.medpagetoday.com/infectiousdisease/uritheflu/97628?xid=nl_mpt_DHE_2022-03-11&eun=g1381107d0r&utm_source=Sailthru&utm_medium=email&utm_campaign=Daily%20Headlines%20Evening%202022-03-11&utm_term=NL_Daily_DHE_dual-gmail-definition_Evening