<https://hospitalhealthcare.com/covid-19/flu-vaccination-reduces-infection-risk-and-symptom-burden-of-covid-19/>
<http://schema.org/name>
"Flu vaccination reduces infection risk and symptom burden of COVID-19 - Hospital Healthcare Europe"
<https://hospitalhealthcare.com/covid-19/flu-vaccination-reduces-infection-risk-and-symptom-burden-of-covid-19/>