1. COVID-19: Latest Data - NYC Health. Available at: https://www1.nyc.gov/site/doh/covid/covid-19-data.page. (Accessed: 2nd February 2021)
2. Advice on the use of masks in the community, during home care and in healthcare settings in the context of the novel coronavirus (COVID-19) outbreak. Available at: https://www.who.int/publications/i/item/advice-on-the-use-of-masks-in-the-community-during-home-care-and-in-healthcare-settings-in-the-context-of-the-novel-coronavirus-(2019-ncov)-outbreak. (Accessed: 2nd February 2021)
3. COVID-19: Considerations for Wearing Masks | CDC. Available at: https://www.cdc.gov/coronavirus/2019-ncov/prevent-getting-sick/cloth-face-cover-guidance.html?CDC_AA_refVal=https%3A%2F%2Fwww.cdc.gov%2Fcoronavirus%2F2019-ncov%2Fprevent-getting-sick%2Fcloth-face-cover.html. (Accessed: 2nd February 2021)
4. Physical distancing, face masks, and eye protection to prevent person-to-person transmission of SARS-CoV-2 and COVID-19: a systematic review and meta-analysis;Chu;Lancet,2020
5. Mizumoto, K. et al. Estimating the asymptomatic proportion of coronavirus disease 2019 (COVID-19) cases on board the Diamond Princess cruise ship, Yokohama, Japan, 2020. Euro Surveill 2020;25(10)pii=2000180. 1 doi: 10.2807/1560-7917