Over 300 apparel workers of 11 factories in Gazipur fell sick due to sweltering heat on Wednesday, as a mild heat wave was sweeping over the country.
The factories in Konabari, Kashimpur, Jarun, Nayapara industrial area were shut down on Wednesday and announced general leave for Thursday after the workers started feeling nausea, vomiting and stomach pain, said Gazipur industrial police inspector Abdul Khaleque.
Doctor Babul Ahmed of Konabari Sharif General Hospital, where a number of patients were admitted, said that the mass illness of workers could be due to sweltering heat.
The workers en masse fell ill due to hysterical conversion reactions disease as illness of a worker panic others in such cases, he said.
The most affected factories were Cotton Club, Moon Tex, Palki, Tasnia Fabrics, Multisef and Alim Knitwear Limited.
Women sewing workers were most affected.
Babul Ahmed said almost all the workers were relieved after giving primary treatment.
Workers said they went to their works on Wednesday morning in good health.
We felt nausea, vomiting and stomach pain after working few hours, said a female worker.
The suffocation in hot weather could be the reason, she said.
A mild heat wave is sweeping over Dhaka, Khulna and Barisal divisions and Rajshahi, Pabna, Chandpur and Noakhali regions and it may continue, said the met office weather forecast that remained unchanged in the past three days.
High humidity and a sudden rise in average temperature by two to three degrees Celsius in just three days caused the swelter, a meteorologist.
Dehydration is the most common phenomenon that people may experience in such weather, International Centre for Diarrhoeal Disease Research, Bangladesh senior medical officer SM Rafiqul Islam said.
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