Former World Health Organization chief scientist Soumya Swaminathan has clarified that hantavirus requires prolonged and close contact for transmission, unlike the highly contagious Covid-19 virus. Speaking on the matter, she emphasized that the mode of spread for hantavirus is fundamentally different from that of the coronavirus.
Key Differences in Transmission
Swaminathan explained that hantavirus is not easily transmitted between humans. It typically spreads through direct contact with infected rodents or their droppings, urine, or saliva. Human-to-human transmission is rare and usually occurs only after extended and close exposure to an infected individual. This contrasts sharply with Covid-19, which can spread rapidly through respiratory droplets and aerosols even in brief encounters.
Potential for Aerosolisation
However, the former WHO scientist noted that there is a possibility that hantavirus could become aerosolised under certain conditions. Since hantavirus causes respiratory infections and pneumonia, it may have the potential to spread through the air in healthcare settings or enclosed spaces. She described this as a 'good chance' that the virus could adapt to airborne transmission, though further research is needed.
Public Health Implications
Swaminathan urged the public not to panic, stressing that hantavirus is not a new pandemic threat like Covid-19. She highlighted the importance of rodent control and avoiding contact with rodent-infested areas as primary preventive measures. Health authorities should remain vigilant, especially in regions where hantavirus is endemic.
The comments come amid renewed interest in hantavirus following reports of cases in various parts of the world. Experts continue to monitor the virus for any changes in its transmission dynamics.
