Researchers and health experts are currently conducting trials to find out whether Covid-19 vaccination will become an annual necessity. Results are not yet conclusive, with the need for yearly coronavirus jabs potentially relying on the existence of new Covid-19 variants, but there is a general acceptance around much of the population — at least, in Brazil — that immunization against the pandemic-causing virus will become an unavoidable routine, much like the flu vaccine.
With this in mind, researchers from the federal Oswaldo Cruz Foundation in Minas Gerais are developing a technique to use the influenza virus as a vaccine vector to provoke an immune response to the coronavirus. The hope is that they will be able to manufacture a vaccine to provide protection against Covid-19 and the flu at the same time.
Kicked off last year, the project is led by the National Institute of Science and Technology in Vaccines (INCTV), a network of laboratories...
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