Until recently, rabies was eradicated in Brazil. But scientists fear the virus is adapting.
Until 2022, there hadn't been a case of human rabies recorded in the Federal District of Brazil for 44 years. And already to date, there have been five cases nationwide: one teenager in Brasília and, according to the Ministry of Health, four in Minas Gerais. Although there has been a sharp decline in the number of cases in recent decades, and not one case of dog-mediated rabies since 2015, this zoonotic viral disease has not been eliminated in Brazil.
According to Horta, canine and feline rabies may no longer be much of an issue for humans. Even in incidents involving cats, it is no longer the domestic animal variant of the virus that is being transmitted; instead, it is the bat antigenic variant.
Brazil is facing problems with PEP, both in terms of its excessive use and its limited availability. Researchers who analyzed 10 years ofon dog bites estimated that Brazil could save up to $6 million per year on vaccines by reducing the number of doses administered during prophylaxis and adopting the intradermal vaccine delivery technique following the latest World Health Organization recommendations.
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