Safety and Immunogenicity of Two RNA-Based Covid-19 Vaccine CandidatesWalsh EE, Frenck RW Jr, Falsey AR, Kitchin N, Absalon J, Gurtman A, Lockhart S, Neuzil K, Mulligan MJ, Bailey R, Swanson KA, Li P, Koury K, Kalina W, Cooper D, Fontes-Garfias C, Shi PY, Türeci Ö, Tompkins KR, Lyke KE, Raabe V, Dormitzer PR, Jansen KU, Şahin U, Gruber WC. Safety and Immunogenicity of Two RNA-Based Covid-19 Vaccine Candidates. N Engl J Med. 2020 Oct 14:NEJMoa2027906. doi: 10.1056/NEJMoa2027906. Epub ahead of print. PMID: 33053279; PMCID: PMC7583697.