Supposing that the city of Abadia de Goiás, which has a population of 8,950 inhabitants, has managed to vaccinate its entire population, and consid...

Supposing that the city of Abadia de Goiás, which has a population of 8,950 inhabitants, has managed to vaccinate its entire population, and considering that everyone has contact with the virus and that this proportion is maintained, what will be the number of people who will have mild symptoms in this population?

The city of Abadia de Goiás has vaccinated its entire population.
The Coronavac vaccine has an efficacy of 78% in preventing symptoms of COVID-19.
The proportion of people who will have mild symptoms in the population of Abadia de Goiás can be calculated based on the assumption that everyone has contact with the virus and that the vaccine efficacy is maintained.
A) 1969
B) 2780
C) 1852
D) 2170
E) 6979