THIRUVANANTHAPURAM: Amid Covid and Zika scare, mandatory house and apartment visits by the health authorities is causing concern among residents.Move aims to identify mosquito-breeding grounds and destroy them, but punishes anyone who ‘obstructs the duty’ under Kerala Public Health Ordinance.Citizens claim, the increase in vector-borne diseases is because of corp’s inability to manage waste and conduct fogging activities Recently, the District Disaster Management Authority (DDMA) ordered a mandatory inspection of all households and flats by officials from local bodies to screen and destroy mosquito breeding sources. The plan is to inspect every house once a week and serve notices to residents. Anyone obstructing the duty of the health workers would be punished under the Kerala Public Health Ordinance.