ETIDIOH - NEW

Situation at a glance Between 17 May and 12 July 2025, the Information and Public Relations Department, Government of Kerala informed through a series of official press releases about four confirmed cases , including two deaths , due to Nipah virus (NiV) infection in two districts of Kerala State.  NiV infection is a bat-borne disease transmitted to humans through infected animals (such as bats or pigs), contaminated food or, less commonly, through close contact with infected individuals.  Since 1998 NiV outbreaks have been reported in Bangladesh, India, Malaysia , the Philippines , and Singapore .  In India, NiV infections have occurred multiple times since 2001 with outbreaks in West Bengal State in 2001 and 2007, and in Kerala State regularly since 2018.  Since 2018, Kerala has reported a total of nine NiV outbreaks . While the state has a strong healthcare system and improved infection control measures since 2023, it is advisable to maintain strong preparedness a...

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Abstract Background Dromedary camels are known carriers of Middle East respiratory syndrome coronavirus (MERS-CoV). This study aimed to identify respiratory RNA viruses circulating in the nasal cavities of camels that could potentially cause disease in humans. Methods Shotgun metagenomic paired-end sequencing was performed on four pools of nasal swabs collected from 40 camels originating from Sudan and Djibouti, using the MiSeq platform. Results Alphacoronavirus 229E was commonly detected in the camel pools. MERS-CoV was found in both pools from Sudan and one from Djibouti . Camel parainfluenza virus 3 (PIV3) was detected in the male camel pool from Sudan . Furthermore, near-complete (99.9 %) metagenomic assembled genomes (MAGs) of alphacoronavirus 229E (SIAU MAG01) and MERS-CoV (SIAU MAG02) were retrieved from the female camel pool from Sudan . Another MAG of alphacoronavirus 229E (SIAU MAG03) was recovered from a male camel pool imported from Sudan . In the phylogenetic analysis, SIA...

Abstract Highly pathogenic avian influenza A(H5N1) clade 2.3.4.4b virus infections have caused substantial mortality events in marine mammals in recent years. We hypothesized that the high number of infections and disease severity could be related to cell tropism in respiratory tracts . Therefore, we examined the attachment pattern of an H5N1 clade 2.3.4.4b virus (H52022) as a measure for cell tropism in the respiratory tracts of harbor seals, gray seals, harbor porpoises, and bottlenose dolphins and compared it with an H5N1 clade 2.1.3.2 virus (H52005) and a human seasonal H3N2 virus using virus histochemistry. Both H5 viruses attached abundantly to olfactory and respiratory mucosa in the upper respiratory tract of both seal species. H52022 attached more abundantly than H52005 to epithelial cells in the lower respiratory tract of all species. The observed attachment possibly explains the susceptibility of marine mammal species for recent H5N1 viruses and the observed development of se...