Vaccines and the delta variant
26
Jul
The number of people vaccinated in Brazil approaches
50% in the first dose (46.7%) and 20% in the total vaccination (17.6%) however the effectiveness of vaccines for the delta variant is being studied in the last week of the Institute Butantan started a study to see the effectiveness of CoronaVac.
The delta variant may cause a fourth wave, the warning is from the WHO, which asks that the measures of distance, use of masks and control of social gatherings not be relaxed.
Monitoring carried out in the country registered and located 145 confirmed cases of this variant in the Federal District and in the states: Maranhã, Minas Gerais, Rio de Janeiro, Rio Grande do Sul, Santa Catarina and São Paulo.
The death curve continues to fall slowly in Brazil (see photo).
An article published in the scientific journal New England Journal of Medicine points out that the Pfizer and AstraZeneca vaccines protect against the Alpha and Delta variants, especially after the second dose, according to the article, Pfizer avoided 88% of symptomatic cases and AstraZeneca 67%.
The Department of Health of the United Kingdom (PHE in English) released a study made with more than 1 million people in risk groups and pointed out that with two doses the effectiveness of these two vaccines rise to 93% and 78% respectively, when treats people aged 16 to 64 years.
In the Netherlands, the government announced that it will re-impose restrictions on nightclubs, festivals and restaurants, these restrictions had been lifted in June, but the infection picture freaked out with 7,000 records of the disease in the last week, before the cases were already less than thousand.
The picture is a setback for Spain and Portugal, who wanted the resumption of tourism.
