Chile began to mass vaccinate its population on Monday (Feb. 7) with a fourth COVID-19 shot, starting with those over 55 years of age
Chile has begun distributing a fourth Covid vaccine dose to most of the population as the nation records its highest rate of infection of the pandemic pic.twitter.com/YnDdRq5Vnt
— Bloomberg Quicktake (@Quicktake) February 8, 2022
The fourth dose had already begun to be injected on January 10 into immunocompromised people, health personnel and the elderly in long-term residences, resulting in 2.1% of Chile’s population having received one so far.

89.6% completed their basic vaccination schedule—single dose or double dose—and 73.9% received the third dose or booster dose.