Communicable Diseases
CDC - Pertussis
CDC - Pertussis
http://www.cdc.gov/vaccines/parents/diseases/child/pertussis.html
Coronavirus
Coronavirus
https://www.cdc.gov/coronavirus/2019-ncov/index.html
https://www.health.pa.gov/topics/disease/coronavirus/Pages/Coronavirus.aspx
https://www.nationwidechildrens.org/giving/on-our-sleeves/find-help/tools-for-you/coronavirus