COVID-19 Breakthrough Infections and Transmission Risk: Real-World Data Analyses from Germany's Largest Public Health Department (Cologne).
Lea HsuBarbara GrüneMichael BuessChristine JoistenJan KlobucnikJohannes NießenDavid PattenAnna WolffGerhard A WiesmüllerAnnelene KossowJulia HurraßPublished in: Vaccines (2021)
The number of transmissions from unvaccinated controls was three times higher than from fully vaccinated patients. These real-world data underscore the importance of vaccination in enabling the relaxation of stringent and restrictive general pandemic control measures.