Hantavirus: The Deadly Rodent Virus Explained

Hantavirus is a group of viruses that spread from rodents to humans, often through inhaling contaminated particles from rodent urine, droppings, or saliva. First isolated near South Korea's Hantan River, the virus can cause severe illness. While generally rare, outbreaks have occurred in clusters, with the Andes strain gaining significant attention. This particular strain is notable for its potential human-to-human transmission. Although its transmission rate is lower than highly contagious diseases, the Andes strain carries a mortality rate of 35-50 percent, making it a serious public health concern. Symptoms typically begin with flu-like signs such as fever, fatigue, muscle aches, headache, dizziness, and chills. If the disease progresses, severe respiratory complications, including pneumonia and acute respiratory distress syndrome (ARDS), can occur, potentially leading to respiratory failure.

Currently, there are no approved vaccines or specific antiviral treatments for hantavirus infection, meaning treatment is largely supportive. Prevention strategies are therefore critical and focus on avoiding contact with rodents and their contaminated materials. Measures include sealing potential entry points for rodents into homes and storage areas, storing food securely, and careful cleaning of areas with rodent infestation. Individuals cleaning up rodent waste are advised to wear gloves and masks to minimize exposure risk. Anyone who has traveled to outbreak areas and develops symptoms within eight weeks should seek immediate medical attention and inform their doctor about potential exposure.