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In the vaccine against Covid-19 to be developed by the American laboratory Moderna, the volunteers had fainting and headaches. The same happened with a vaccine in progress in Russia. The researchers say that conclusions should not be drawn until the end of the tests.
Fainting and high fever are some of the side effects that were recognized after the first tests of the vaccine under development by the North American laboratory Moderna. Almost 200 investigations are underway to find a vaccine against Covid-19, although four of them are more advanced, including one developed by the Vaccine Research Center in the United States and the company Moderna, based in Cambridge, in the northern state. American from Massachusetts.
The Moderna Terapeutics vaccine has already been tested in several trials with volunteers and the experience has enabled the first side effects to be noticed, such as fainting and high fever.
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