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Dengue vaccine should not be taken by anyone who has never had the disease, says Anvisa

Dengue vaccine should not be taken by anyone who has never had the disease, says Anvisa

Although the suspicion presented by the laboratory is still not conclusive, Anvisa's recommendation is that the vaccine not be taken by people who have never had dengue. According to the information presented by Anvisa, which need a more complete analysis of the studies, some individuals presented more severe forms of the disease after the application, this occurred in people who had not had previous contact with the virus. possibility exists in the case of seronegative people (who never came into contact with the virus) to be vaccinated and subsequently exposed to the dengue virus, that is, after the bite of an infected mosquito. Thus, they could develop a more acute form of dengue if they become infected after receiving the drug.

However, the agency points out that the vaccine itself would not trigger a serious disease or induce the onset of the disease. spontaneous In order to do this, it is necessary to contact the dengue virus later with the bite of an infected mosquito. For this reason, the vaccine package leaflet will be updated while Anvisa evaluates the complete data of the studies, which will still be presented by the manufacturer.

Vaccine

The Sanofi vaccine, called Dengvaxia, is the only vaccine approved in Brazil. The product is indicated for immunization against the four subtypes of the virus. For people who have had dengue, Anvisa evaluates that the benefit of using the vaccine remains favorable.

Through the communiqué Anvisa clarified that "this risk had not been identified in the studies presented for the registration of the vaccine in the population for the In addition, they reported that prior to registration, the effects of immunization were studied in more than 40,000 people worldwide, and that the research followed the standards set by World Health Organization (WHO).


The dream of graduation and a new crisis

The dream of graduation and a new crisis

Last month of 2009 , concludes the degree in Physical Education, but my dream was the baccalaureate to be able to work in clubs and academies, more specifically in the field of bodybuilding. However, after the diagnosis of ankylosing spondylitis (AS), I had readapted and specialized in the aquatic area.

(Health)

Researcher from Pernambuco studies transmission of Zika virus by mosquitoes

Researcher from Pernambuco studies transmission of Zika virus by mosquitoes

Ayres told the G1 website that the research began because Zika was first registered in regions where To find out, your team will infect about 200 mosquitoes, which will be analyzed at the time of infection and then after one, three, seven and 15 days. Thus, in addition to verifying that they can even carry the virus, you will be able to observe how long the incubation takes.

(Health)