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Prof (Dr) Atul Goel, DGHS, Union Health Ministry, and Director of NCDC, along with experts from AIIMS, Kalawati Saran Children’s Hospital, and National Institute of Mental Health & Neurosciences (NIMHANS), as well as officials from Central and State surveillance units, reviewed the Chandipura virus and Acute Encephalitis Syndrome (AES) cases in Gujarat, Rajasthan, and Madhya Pradesh, yesterday. After a detailed discussion and review of the status of the Chandipura virus and AES cases, the experts concluded that infectious agents contribute to only a small proportion of AES cases across the country. They emphasized the need for comprehensive epidemiological, environmental, and entomological studies of the AES cases reported in Gujarat.

A multidisciplinary central team from NCDC, ICMR, and DAHD is being deployed to assist the State of Gujarat with these investigations.

Acute Encephalitis Syndrome (AES) is a group of clinically similar neurologic manifestation caused by several different viruses, bacteria, fungus, parasites, spirochetes, chemical/ toxins, etc. The known viral causes of AES include JE, Dengue, HSV, CHPV, West Nile, etc.

Chandipura Virus (CHPV) is a member of Rhabdoviridae family known to cause sporadic cases and outbreaks in western, central, and southern parts of the Country, especially during the monsoon season. It is transmitted by vectors such as sand flies and ticks.

It is to be noted that vector control, hygiene, and awareness are the only measures available against the disease. The disease affects mostly children under 15 years of age and can be present with a febrile illness that may in some cases result in death. Although there is no specific treatment available for CHPV and management is symptomatic, timely referral of suspected AES cases to designated facilities can improve outcomes.

Since early June 2024, cases of Acute Encephalitis Syndrome (AES) have been reported in children under 15 years of age in Gujarat. As of July 20, 2024, a total of 78 AES cases have been reported, with 75 from 21 districts/corporations in Gujarat, 2 from Rajasthan, and 1 from Madhya Pradesh. Of these, 28 cases have resulted in death. Among the 76 samples tested at NIV Pune, 9 have been confirmed positive for Chandipura Virus (CHPV). All 9 CHPV-positive cases and 5 associated deaths are from Gujarat.

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MV

HFW/CasesOfChandipuraVirus/20^th July/ 3