After West Nile Fever claims one life, samples of mosquitoes, dead crows sent to NIV Alappuzha to ascertain virus’ source
Samples of mosquitoes and dead crows have been sent to the National Institute of Virology, Alappuzha to find the source of the West Nile Virus which claimed the life of a six-year-old boy in Kerala
Samples of mosquitoes, dead crows have been sent to NIV Alappuzha to find the source of the West Nile Virus which claimed the life of a six-year-old boy
West Nile Fever is a mosquito-borne zoonotic disease and is related to viruses transmitted to humans via mosquito bites
The child's death could be the first fatality due to the vector-borne disease reported from the country
New Delhi: Samples of mosquitoes and dead crows have been sent to the National Institute of Virology, Alappuzha to find the source of the West Nile Virus which claimed the life of a six-year-old boy in Kerala's Malappuram district.
West Nile Fever is a mosquito-borne zoonotic disease and is related to viruses that cause Japanese encephalitis, yellow fever and St Louis encephalitis.
It is transmitted to humans via mosquito bites. The mosquitoes get the virus through infected birds. "Human infection is most often due to bites from infected mosquitoes. To date, no human-to-human transmission of WNV through casual contact has been documented. Infection with WNV is either asymptomatic (no symptoms) in around 80 per cent of infected people, or can lead to West Nile fever or severe West Nile disease," a senior Health Ministry official said.
A government official said samples of mosquitoes were collected from various sites in Venniyoor in Malappuram district by the Vector Control Department officials and they were sent for testing. "Besides, remains of four dead crows which were found in and around Venniyoor have also been sent to NIV Alappuzha for testing," the official said.
"Officials at the Animal Husbandry Department laboratory in Malappuram conducted a post-mortem of the dead crows to take out their brains, livers and kidneys and then sent them for testing," the government official said. The results are awaited, the official said.
On Tuesday, the Health Ministry along with officials from the National Centre for Disease Control (NCDC) had reviewed the state's preparedness and the action taken to deal with West Nile Fever (WNF) in Mallapuram district.
According to Health Ministry officials, the child's death could be the first fatality due to the vector-borne disease reported from the country. A multi-disciplinary central team is already deputed in Mallapuram to investigate various epidemiological aspects of West Nile Virus (WNV) and also to help the district administration in its prevention and management.
The state has been advised to follow the National Vector Borne Disease Control Program (NVBDCP) guidelines of personal protective measures to prevent mosquito bites.
The ministry has also recommended that vector surveillance and control be carried out in coordination with the NVBDCP. "It has been advised that all cases of Japanese Encephalitis (JE)/Acute encephalitis syndrome (AES) are to be investigated as per guidelines of JE/AES and also tested for West Nile Virus. Further, the community is to be sensitized through IEC campaigns on use of personal protective measures to prevent mosquito bites as per the NVBDCP guidelines," a senior Health Ministry official said.
The boy was admitted to the intensive care unit of the Kozhikode Medical College Hospital after he tested positive for the virus. He died on Monday.
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