Hantavirus Cases Rise in Argentina; Experts Urge Caution and Isolation

Argentina is on alert due to a rise in Hantavirus cases, particularly in Buenos Aires province, where 18 infections and seven fatalities have been confirmed, according to recent epidemiological bulletins. Infectologist Elena Obieta highlighted the risks associated with the Andes strain, the only variant capable of human-to-human transmission, which gained public attention during an outbreak on a cruise ship departing from Ushuaia.

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In general, Hantavirus is a disease that when attributed to the Andes strain has human-to-human contagion. And that has been described since the late 1990s.

Obieta explained that this season has seen more cases partly due to increased food availability for rodents in Argentina. She noted that human encroachment on rodent habitats, whether for building or due to climate change, increases exposure. "We get deeper into their habitat... these things favor us interacting more with rodents and being more exposed to inhaling and acquiring the virus," she stated. A patient in Chubut, currently in intensive care, has heightened concerns about prevention protocols for close contacts.

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We get deeper into their habitat, with us modifying conditions of the environment to build a cabin, for whatever climate change, all these things favor us interacting more with rodents and being more exposed to inhaling and acquiring the virus.

For individuals exposed to the Andes strain, Obieta recommended isolation with a mask, temperature monitoring, and symptom tracking. Periodic testing may be necessary for up to 45 days, the virus's maximum incubation period. Contrary to common assumptions, she clarified that older adults are not inherently more vulnerable due to age alone, unless they have pre-existing conditions like lung disease or heart failure. The majority of reported cases involve young adults, particularly men, often due to their work and exposure in rural environments. Obieta stressed the need for close monitoring of patients amid the rising case numbers.

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If it is from Andes that is transmitted from human to human. If it is of human transmission, you have to isolate yourself with a mask, you have to monitor your temperature and symptoms, and eventually, depending on availability, studies will have to be done periodically every week to see if viral particles are found in your blood.