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2024, Number 3

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Enf Infec Microbiol 2024; 44 (3)

Avian influenza virus A (H5N1): a potential new threat

Ospina GJM, Revelo-Cueva MC, Cardona MWD

Language: Spanish
References: 43
Page: 112-118
PDF size: 210.07 Kb.


ABSTRACT

The highly pathogenic avian influenza virus (AIV) H5N1 is a global concern due to its ability to cause epidemics in humans with a high mortality rate. The literature review undertaken aims to describe general and epidemiological aspects of the H5N1 AIV, as well as to understand the current context of the infection. It starts with the description of AIVS, their structural proteins and types of strains. The origin of H5N1 is raised through mutations of structural proteins that have allowed its adaptation and transmission between species; generating outbreaks in humans since 1997. A chronological review of the cases reported in Asia, Europe and Africa is made and it is highlighted that in North America and South America, cases have been reported in birds, humans and mammals. The review shows the importance of continuous surveillance and research to prevent future outbreaks and develop effective control strategies, which include preventive and therapeutic measures.


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