AI Article Synopsis
- The study aimed to investigate the presence of Orthomyxovirus in cold-blooded animals like snakes and amphibians (toads and frogs).
- Blood samples were analyzed to identify red cell receptors and antibodies against influenza viruses, revealing that snakes and toads had specific antibodies for both influenza A and B.
- While toads showed consistent results, a significant portion of frogs had mean antibody levels against certain influenza strains, indicating that these animals might be susceptible to infection and could support the virus's host conditions.
Article Abstract
The objective was to study Orthomyxovirus in heterothermic animals. Blood samples from snakes (genus Bothrops and Crotalus) and from toads and frogs (genus Bufo and Rana) were collected to evaluate the red cell receptors and antibodies specific to influenza virus by the hemagglutination and hemagglutination inhibition tests, respectively. Both snakes and toads kept in captivity presented receptors in their red cells and antibodies specific to either influenza virus type A (human and equine origin) or influenza type B. The same was observed with recently captured snakes. Concerning the influenza hemagglutination inhibition antibodies protective levels were observed in the reptiles' serum, against influenza type A and type B. Unlike the toads, 83.3% of the frogs presented mean levels of Ab 40HIU for some influenza strains. It was concluded that heterothermic animals could offer host conditions to the influenza virus and also susceptibility to the infection.
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| http://dx.doi.org/10.1590/s0037-86822004000300002 | DOI Listing |
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