According to a study released Tuesday by Brazil's Oswaldo Cruz Foundation (Fiocruz), patients who have taken the two-shot scheme of CoronaVac's drug would be better off if they receive a booster injection of the Pfizer vaccine.
Mass vaccination against COVID-19 of over 1.5 million Chilean schoolchildren aged 6 to 11 has kicked off Monday, it was reported. Chilean authorities have also confirmed Sinovac's drug CoronaVac is to be administered but only to those children who have parental consent.
Chile's health authorities have started vaccinating children aged between 6 and 12 against COVID-19 with the Chinese Coronavac drug to keep up the country's high immunization rate, which is among the most prolific worldwide.
Rio de Janeiro city officials have reported a local man was able to get vaccinated five times in ten weeks against covid-19, presumably thanks to failures in the electronic documenting system.
Chinese laboratory Sinovac Wednesday announced it will build a plant in Chile to locally distribute 60 million yearly doses of the Coronavac vaccine against COVID-19 with which to supply other Latin American countries.
A study by Chile's Catholic University has shown that the Chinese-developed Sinovac anticoronavirus vaccine's effectiveness was down after six months and patients would then need a third dose of the immunizer.
Uruguay's Public Health Ministry Tuesday reported that around 1,807,000 people, that is 51.15% of the country's population, have already been administered at least one dose of an anti-coronavirus vaccine.
The prestigious Butantan Institute Monday released the results of a study carried out between February and April 2021 among 27,000 people vaccinated with CoronaVac in Serrana, São Paulo, which showed a 95% decrease in deaths from covid-19, it was announced.
Butantan Institute Director Dimas Covas Thursday blamed President Jair Bolsonaro's anti-Chinese stance for the delay in the arrival and distribution of anti-covid-19 vaccines into Brazil.
Rio de Janeiro suspends Covid-19 vaccination campaign until next week because the Brazilian city has run out of doses, Mayor Eduardo Paes announced. I have been informed that the new doses did not arrive. We will have to interrupt our campaign from Tuesday, Paes wrote on Twitter.