Index Entries

Nabin K. Shrestha, Patrick C. Burke, Amy S. Nowacki, Paul Terpeluk, and Steven M. Gordon
January 13, 2022
Clinical Infectious Diseases
Cleveland Clinic

Conclusions

Both previous infection and vaccination provide substantial protection against COVID-19. Vaccination of previously infected individuals does not provide additional protection against COVID-19 for several months, but after that provides significant protection at least against symptomatic COVID-19.

document
COVID-19,natural immunity