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The world's first vaccine against zika already contains 2,100, or 87.5% of the 2,400 volunteers needed for the second phase of testing, according to Lilian Ferrari, one of the research coordinators at the 39 Hospital das Clínicas.
Although there are still 300 volunteers to reach the goal until December 31, the HC executes, moreover, "The vaccine is being developed by the HC in partnership with the National Institutes of Health of the States. United States and requires an interruption of recruitment to balance the total number of participants in all countries involved in the study, according to the researcher.
2400 volunteers in the countries of the American continent.This is the second The badysis phase, which counts five in total, aims to evaluate the safety and efficacy of the vaccine.
See also: Zika decreases, but only one-third of children receive full support
"moment, there was a pause in the inscriptions. We build a database. But the project is open. Those interested in registration can come forward because those who do not participate in this test will have the option of migrating to another country, along with bird flu. "
For the researcher, despite the almost total number of participants, the challenge of research is to recruit volunteers." People are very afraid to participate because they are still attached to the term "pig of India" ". But it is nothing, it is practically a contract, everything is regulated and there is nothing that does not go through the ethics committee. "
Volunteers can not have had the disease
accepted volunteers men and women between 15 and 35 years who have never contracted zika.They must not have taken any type of vaccine in the last 30 years days and do not have an uncontrolled chronic disease Parents under the age of 18 must be in person.
All volunteers participating in this survey will receive three doses of vaccine within two months Half will be vaccinated with the new immunizer and the other half with the placebo Researchers will follow the volunteers for two years and will not be informed when they receive the vaccine or placebo.
know more: Study may reveal how zika causes brain damage
Participation is unpaid because Brazilian law does not permit However, the USP School of Medicine says volunteers will be reimbursed s transportation and food costs on consultation days.
According to the researcher, people who register as volunteers are motivated by altruism or prophylaxis of the disease or by their journey. at risk places frequently or because they have lost or had parents affected by zika.
The vaccine is made from zika virus DNA
The vaccine is made from a fragment of the genetic material of the virus and not from an attenuated live virus, such as the vaccine against yellow fever, and therefore would not present any adverse effects.
The closure of the study depends on the circulation of the virus. Volunteers must be naturally exposed to the virus to prove the effectiveness of the vaccine.
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. by the amount of antibodies produced in the body of vaccinated volunteers who have been naturally in contact with the virus.
The vaccine was developed by the Vaccine Research Center (VRC) of the US National Institute of Allergy and Infectious Diseases.
The registration of a volunteer must be made before (11) 2661-7214, Monday to Friday, from 9am to 5pm.
The disease causes microcephaly in Fetus
Zika is transmitted by the mosquito A edes aegypti and is related to cases of microcephaly of the fetus and Guillain-Barré syndrome. It was identified in 1947 and was named after its place of origin, Zika Forest in Uganda
In addition to insect bites, zika can be transmitted through badual intercourse . The virus remains about six months in the sperm of the man who contracted the disease.
Brazil experienced a zika epidemic in 2015, which mainly affected the northeast. In 2016, the World Health Organization (WHO) declared the disease as a public health emergency of international importance.
According to the WHO, more than 200,000 cases of zika have been recorded worldwide, of which more than half in Brazil.
Brazil has recorded more than 7,000 cases of zika
This year, there were 7,544 probable cases of zika and two deaths in the country, according to the latest epidemiological bulletin issued by the Ministry of Health in November. The deaths occurred in Paraíba and Alagoas
Of these cases, 1,011 were pregnant women. To date, 389 cases have been confirmed in pregnant women.
The incidence rate of zika in Brazil is 3.6 cases per 100 000 population. The Southeast is in the lead in the probable number of cases, with 2,779, which corresponds to 36.8% of the country. Then there is the north-east, with 2,184, the Midwest, with 1,596, the north with 944 and the south with 41.
More: Young woman hospitalized after confusing measles and zika
-Oeste and North have the highest incidence rates: 10.1 cases per 100,000 population and 5.3 cases per 100,000 population
Cities where the incidence of disease is highest are Pe de Serra (BA), Niterói
Understanding the differences between the symptoms of zika, yellow fever, dengue fever, influenza and chikungunya:
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