https://www.cdc.gov/pertussis/index.html
https://www.cdc.gov/coronavirus/2019-ncov/index.html
https://www.health.pa.gov/topics/disease/coronavirus/Pages/Coronavirus.aspx
https://www.nationalgeographic.com/science/2020/07/coronavirus-infection-spread-in-children-cvd/?cmpid=org=ngp::mc=crm-email::src=ngp::cmp=editorial::add=SpecialEdition_20200724&rid=4C2926F81BDC6553B9D44A6B6B069D6D
