1. Impact of the COVID-19 Pandemic on Emergency Department Visits-United States, January 1, 2019-May 30, 2020;Hartnett;Morbidity and Mortality Weekly Report,2020
2. COVID-19 Pandemic Impact on Cancer Patients and Survivors 2020 https://www.fightcancer.org/releases/survey-covid-19-affecting-patients%E2%80%99-access-cancer-care
3. Effects of the COVID-19 Pandemic on Routine Pediatric Vaccine Ordering and Administration-United States, 2020;Santoli;Morbidity and Mortality Weekly Report,2020
4. World Health Organization At Least 80 Million Children under One at Risk of Diseases Such As Diphtheria, Measles, and Polio As COVID-19 Disrupts Routine Vaccination Efforts, Warn Gavi, WHO, and NICEF 2020 https://www.who.int/news-room/detail/22-05-2020-at-least-80-million-children-under-one-at-risk-of-diseases-such-as-diphtheria-measles-and-polio-as-covid-19-disrupts-routine-vaccination-efforts-warn-gavi-who-and-unicef
5. L. Regan Y.-L. Chi The Indirect Health Effects of COVID-19: Disrupted and Suspended Health Services 2020 https://www.cgdev.org/blog/indirect-health-effects-covid-19-disrupted-and-suspended-health-services