1. Statement on the second meeting of the International Health Regulations (2005) Emergency Committee regarding the outbreak of novel coronavirus (2019-nCoV),2020
2. Coronavirus Disesae 2019 (COVID-19) Situation Report - 51,2020
3. COVID-19 Map - Johns Hopkins Coronavirus Resource Center,2021
4. Coronavirus (COVID-19) and Pregnancy: What Maternal-Fetal Medicine Subspecialists Need to Know;Dotters-Katz,2020
5. Potential maternal and infant outcomes from Coronavirus 2019-nCoV (SARS-CoV-2) infecting pregnant women: lessons from SARS, MERS, and other human Coronavirus infections;Schwartz;Viruses,2020