Mystery Illness Cluster in India May Be Due to Neurotoxin

Health officials are searching for possible exposures to heavy metals, but no sources of contamination have been identified.

Written byLisa Winter
| 2 min read

Register for free to listen to this article
Listen with Speechify
0:00
2:00
Share

ABOVE: © ISTOCK.COM, REDDEES

Over the weekend, the city of Eluru in southern India was slammed with a mysterious illness that has hospitalized more than 550 people with symptoms including a loss of consciousness, convulsions, seizures, and an unexplained giddiness. The outbreak is unrelated to the current COVID-19 pandemic, as none of the patients had tested positive for the SARS-CoV-2 virus. While there are preliminary hypotheses about the cause of the illness, no definitive cause has been named yet.

Beginning on December 5, hundreds of people around the city began experiencing symptoms. There was no common thread between them, as the patients lived in various areas around town, had different water sources, were unrelated to one another, and represented a wide range of ages, according to multiple news sources.

The Associated Press reports that the state of Andhra Pradesh, where Eluru is located, has been hit hard by the COVID-19 ...

Interested in reading more?

Become a Member of

The Scientist Logo
Receive full access to more than 35 years of archives, as well as TS Digest, digital editions of The Scientist, feature stories, and much more!
Already a member? Login Here

Related Topics

Meet the Author

  • Lisa joined The Scientist in 2017. As social media editor, some of her duties include creating content, managing interactions, and developing strategies for the brand’s social media presence. She also contributes to the News & Opinion section of the website. Lisa holds a degree in Biological Sciences with a concentration in genetics, cell, and developmental biology from Arizona State University and has worked in science communication since 2012.

    View Full Profile
Share
Image of a woman with her hands across her stomach. She has a look of discomfort on her face. There is a blown up image of her stomach next to her and it has colorful butterflies and gut bacteria all swarming within the gut.
November 2025, Issue 1

Why Do We Feel Butterflies in the Stomach?

These fluttering sensations are the brain’s reaction to certain emotions, which can be amplified or soothed by the gut’s own “bugs".

View this Issue
Olga Anczukow and Ryan Englander discuss how transcriptome splicing affects immune system function in lung cancer.

Long-Read RNA Sequencing Reveals a Regulatory Role for Splicing in Immunotherapy Responses

Pacific Biosciences logo
Research Roundtable: The Evolving World of Spatial Biology

Research Roundtable: The Evolving World of Spatial Biology

Conceptual cartoon image of gene editing technology

Exploring the State of the Art in Gene Editing Techniques

Bio-Rad
Conceptual image of a doctor holding a brain puzzle, representing Alzheimer's disease diagnosis.

Simplifying Early Alzheimer’s Disease Diagnosis with Blood Testing

fujirebio logo

Products

Eppendorf Logo

Research on rewiring neural circuit in fruit flies wins 2025 Eppendorf & Science Prize

Evident Logo

EVIDENT's New FLUOVIEW FV5000 Redefines the Boundaries of Confocal and Multiphoton Imaging

Evident Logo

EVIDENT Launches Sixth Annual Image of the Year Contest

10x Genomics Logo

10x Genomics Launches the Next Generation of Chromium Flex to Empower Scientists to Massively Scale Single Cell Research