They said Lourd Mary of Pollachi, who was pregnant, was undergoing treatment for high fever in the Pollachi government hospital for the last few days.
Since she did not respond to treatment, she was shifted to a private hospital here, where she delivered a male baby two days ago.
As the fever didn't subside and as the child also contracted it, a diagnosis revealed that both were suffering from dengue.
After the baby died early today, the woman was shifted to the government hospital. However, six hours later, the 24-year-old woman succumbed to dengue, police said.
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