At least 164 sea lions and wolves be found dead On a beach in a city southern brazil because Avian Influenza Local authorities reported this Saturday that this would affect the animals.
From the mayor’s office parma santa victoriain the state of Rio Grande do Sul, there are reports that dead animals have been found in the last daysfrom beginning to end 45 kilometers from the coast, they are buried to avoid new infections.
This place is located nearby Bordering Uruguay, where die of some 400 wolves and sea lionsalso attributed to Avian Influenza.
The Brazilian Ministry of Agriculture and Livestock has early October he first focus Diseases among marine mammals in the country cassinoanother beach in Rio Grande do Sul.
Even so, Brazil continue statehood “No disease” because”“Commercial production has not been affected.” So far confirmed by the government.
Concerns about animal numbers affected
In Argentina, infect of More than 100 sea lions infected with bird flu from Contact with infected migratory birds It alerts authorities and experts.this is about first case Registered in Argentina, where Avian influenza spreads from birds to mammalsespecially fur seals (Otaria flavescens).
Since mid-August, More than a hundred bodies found Tierra del Fuego, Santa Cruz, Chubut (Valdes Peninsula), Rio Negro and the Buenos Aires towns of Mar del Plata, Necochea, Montehermoso, Vilague Additional cases against Ser, Colonel Rosales and Villarino are under investigation.
“We are faced with a Very aggressive strainJuan Lorenzani, president of Argentina’s Animal Foundation, said: “The animals quickly infect each other and immediately begin to show the first symptoms, most of which are tremors that can lead to convulsions.”
When did the infection begin?
exist Peru, Chile and Argentina Number of deaths recorded marine fauna Due to the virus, severe muscular, neurological and respiratory effects can occur. It is spread through the mouth and respiratory tract, and through secretions and excreta.
Although cHuman ontagio is unusualauthorities advise people not to approach dead or sick animals and to keep pets away from the spotlight.
this The presence Sea lions infected with bird flu Started with February past in Peru and Chilewhere they should publish “Health Alert” Due to the high number of infected animals.
In mammals that “lack adequate defenses against such diseases,” The virus can cause severe muscular, neurological and respiratory effects.Lorenzani explains that this can be seen in the “convulsions and disoriented movements recorded in infected samples.”
The H5N1 virus A variant present in sea lions is a highly pathogenic avian influenza subtype that was first documented in wild birds in South America in late 2022 in Peru.
exist Argentina The first cases were in birds used to be February 2023 Located in the Lagunas de Pozuelos Nature Reserve in the province of Jujuy.
“Due to its great versatility and ability to adapt, Influenza develops into multiple subtypes. The H5N1 variant was first discovered in birds in 1996 and is characterized by persistence over time, beginning to incorporate genetic changes and spreading massively around the world,” said Ariel Va, a veterinarian who specializes in avian viruses. Ariel Vagnozzi said.