Effectiveness of the CoronaVac® vaccine in a region of the Colombian Amazon, was herd immunity achieved?
Héctor Serrano-CollHollman MillerCamilo GuzmánRicardo RiveroBertha GastelbondoJorge MirandaKetty GaleanoJhon Montaña-RestrepoSalim MattarPublished in: Tropical diseases, travel medicine and vaccines (2022)
CoronaVac® has shown 94.3% effectiveness against mild disease and 99.9% against severe infection in this indigenous population. CoronaVac® reduces the mortality rate from 2.2% in 2020 to 0.22% in 2021. The herd immunity was achieved through mass vaccination in this region of the Colombian Amazon.