1. COVID-19 Map - Johns Hopkins Coronavirus Resource Center. Johns Hopkins Coronavirus Resource Center. https://coronavirus.jhu.edu/map.html. Published 2020. Accessed January 5, 2021.
2. Adaptive Phase IB-II Randomized Clinical Trial Of Preventive Vaccine Consisting Of Autologous Dendritic Cells Loaded With Antigens From Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2), With Or Without GM-CSF, In Subjects Negative For COVID-19 Infection And Anti-SARS-CoV-2 Antibodies. ClinicalTrials.gov identifier (NCT number): NCT04386252 . https://clinicaltrials.gov/ct2/show/NCT04386252
3. A Randomized, Double-blind, Placebo-controlled Phase 3 Study to Assess the Efficacy and Safety of Ad26.COV2.S for the Prevention of SARS-CoV-2-mediated COVID-19 in Adults Aged 18 Years and Older. ClinicalTrials.gov Identifier: NCT04505722 . https://clinicaltrials.gov/ct2/show/NCT04505722
4. A Phase 2a, Randomized, Observer-Blind, Placebo Controlled, Dose-Confirmation Study to Evaluate the Safety, Reactogenicity, and Immunogenicity of mRNA-1273 SARS-COV-2 Vaccine in Adults Aged 18 Years and Older. ClinicalTrials.gov Identifier: NCT04405076 . https://clinicaltrials.gov/ct2/show/NCT04405076
5. A Phase 1/Phase 2, Randomized, Double-Blind, Placebo-Controlled, Dose-Ranging Trial to Evaluate the Safety, Tolerability and Immunogenicity of V591 (COVID-19 Vaccine) in Healthy Younger and Older Participants. ClinicalTrials.gov Identifier: NCT04498247 . https://www.clinicaltrials.gov/ct2/show/NCT04498247