The direction was given by a bench headed by Chief Justice Mohit Shah on a PIL filed by activist Vishnu Gavali.
Earlier, the HC had given a similar direction to 23 municipal bodies regarding dengue. Of these, only four civic bodies filed affidavits.
Today, the HC bench expanded the scope of PIL to cover diseases other than dengue such as swine flu, malaria, gastro and chicken gunya.
In a related development, Kolhapur Municipal body filed an affidavit stating that 518 patients had been admitted in hospitals for treatment of gastroenteritis and 68 had contracted dengue, of whom one died. It also said that low- cost treatment was provided to them.
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Among the civic bodies asked to furnish information through affidavits by April 26 are Municipal Corporations of Mumbai, Navi Mumbai, Solapur, Ratnagiri, Pune, Sindhudurg, Miraj, Pimpri-Chinchward, Dhule, Ulhasnagar, Thane, Nashik Vasai-Virar, Mira-Bhayander, and Kalyan-Dombivali.
At an earlier hearing, the government said there was no need to panic as Dengue was not contagious and said steps were being taken to stop breeding of mosquitoes in stagnant water.
The PIL said that recently several deaths occurred due to dengue and malaria, creating an "epidemic-like" situation. It alleged that deaths occurred due to lapses by government in providing medical facilities and prayed that authorities be directed to take immediate preventive steps.
It alleged that medical facilities provided at the government hospitals were not adequate and patients often had to approach private hospitals which charged exorbitant fees.