Objective: This work aimed to estimate the avoidable COVID-19 cases and deaths with the
anticipation of vaccination, additional doses, and effective non-pharmacological …

Objective To estimate the number of avoidable COVID-19 deaths and hospitalizations in
Brazil. Methods Secondary data on COVID-19 deaths and hospitalizations were related to …

Summary Background A nationwide Severe Respiratory Syndrome Coronavirus 2 (SARS-
CoV-2) vaccination campaign was initiated in Brazil in January 2021 with CoronaVac …

Background Worldwide, several efforts have been made to develop, distribute and
administer safe and effective vaccines to reduce morbidity and mortality and control the …

Vaccination campaigns played a crucial role in reducing the incidence of COVID-19.
However, a scant number of studies evaluated the impact of vaccination on case fatality …

Background Recent studies have established that vaccination plays a significant role in
reducing COVID-19-related deaths. Here, we investigated differences in COVID-19 case …

Background Vaccines developed between 2020 and 2021 against the SARS-CoV-2 virus
were designed to diminish the severity and prevent deaths due to COVID-19. However …

An agent-based model is proposed to access the impact of vaccination strategies to halt the
COVID-19 spread. The model is parameterized using data from São Paulo State, Brazil. It …

In a context of community transmission and shortage of vaccines, COVID-19 vaccination
should focus on directly reducing the morbidity and mortality caused by the disease. It was …

ABSTRACT OBJECTIVE To evaluate the effectiveness of vaccines developed against covid-
19 in reducing mortality in people hospitalized with severe acute respiratory syndrome …