Brazilian vaccine against covid-19 begins to be tested in animals

Brazilian researchers who are developing a vaccine against covid-19 announced that the study is in the pre-clinical phase, which determines the beginning of animal tests. After this step, the formula will be tested on humans. The project is composed of specialists from the Faculty of Medicine of USP and the Immunology Laboratory of the Instituto do Coração (Incor).

Unlike most laboratories that are also studying a vaccine for the disease, the method chosen by the team does not use messenger RNA. The vaccine particles carry fragments of the SARS-CoV-2 virus into the human body and thus stimulate the body to develop a defense against the disease.


The method chosen takes longer than the others, but some experts argue that it offers safer results. Other vaccines are underway in the United States, Germany, Australia and China.

“We have already been able to develop three vaccine formulations that are being tested on animals. In parallel, we are formulating several others to identify the best candidate”, said Gustavo Cabral, the researcher responsible for the project, to the FAPESP agency.

Oxford will test its vaccine in Brazil

The institution will apply the vaccine to about 2,000 Brazilian volunteers as part of a global development plan. The campaign will focus on people who are on the front lines in fighting the pandemic. Brazil, which could be the next epicenter of the pandemic, will be the first country outside the UK to have access to this immunization.

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