Comparative Effectiveness of Coronavirus Vaccine in Preventing Breakthrough Infections among Vaccinated Persons Infected with Delta and Alpha Variants [PDF – 930 KB – 7 pages]

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Emerging Infectious Diseases
Volume 28, Number 2—February 2022
http://wwwnc.cdc.gov/eid/

 

Research
Comparative Effectiveness of Coronavirus Vaccine in Preventing Breakthrough Infections among Vaccinated Persons Infected with Delta and Alpha Variants [PDF – 930 KB – 7 pages]
I. Kislaya et al.