Name Info Provider Link
Flu free resource MedlinePlus Health Information https://medlineplus.gov/flu.html
free resource PubMed Central https://www.ncbi.nlm.nih.gov/pmc/articles/pmid/35866188/
free resource Europe PubMed Central https://europepmc.org/abstract/MED/35866188
free resource International Society of Global Health https://doi.org/10.7189/jogh.12.04062