The US Centers for Disease Control and Prevention has initiated a "Level 3" emergency response to the hantavirus outbreak, according to an ABC News report citing internal sources. This classification represents the agency's lowest tier of emergency activation, primarily intended to streamline the coordination of resources and personnel while the situation is monitored.
The global health response to a hantavirus outbreak aboard the MV Hondius has intensified following the deaths of three passengers, a Dutch couple and a German national, with the World Health Organization confirming eight suspected cases, including a Swiss citizen.
In response, a multi-country contact-tracing effort is underway to locate passengers who disembarked on the remote South Atlantic island of St. Helena on April 24, prior to the virus's detection.
While Singapore's Communicable Diseases Agency has isolated and begun testing two residents who were on the vessel, US officials confirmed that two Texas residents identified by the CDC remain asymptomatic and reported no contact with the ill.
Although the international investigation continues, health authorities emphasize that these measures are precautionary steps to prevent any potential localized transmission, as per media reports.
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What is Hantavirus?
Hantavirus cardiopulmonary syndrome (HCPS), also called hantavirus pulmonary syndrome (HPS), is a rare but serious respiratory disease caused by hantaviruses carried mainly by rodents.
Humans can get infected through contact with rodent urine, saliva, droppings, or contaminated surfaces, especially while cleaning infested areas. Cases are more common in rural regions such as farms, forests, and fields where rodent exposure is higher.
Symptoms of Hantavirus
Medical experts have detailed the clinical progression of Hantavirus Pulmonary Syndrome (HPS), noting that it typically begins with flu-like symptoms, including headache, dizziness, chills, fever, and muscle aches (myalgia), according to the WHO.
Patients often experience gastrointestinal distress, specifically nausea, vomiting, diarrhea, and abdominal pain, before the condition escalates to a critical stage characterized by hypotension and the sudden onset of severe respiratory distress.
While these symptoms usually manifest between two to four weeks post-exposure, health officials warn that the incubation period can vary significantly, with onset occurring as early as one week or as late as eight weeks after contact with the virus.
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