Hurricane Response Guide for Environmental Public Health Professionals
5. Disseminate educational materials on how to safely clean up after rodent infestations, covering the following key points: Recognizing signs of rodent presence Implementing precautions when entering structures heavily infested with rodents to minimize health risks Advice on the wetting and wiping of contaminated surfaces to reduce the risk of inhaling dried rodent waste particles Providing guidelines for properly disposing of rodent carcasses to prevent further contamination and potential health hazards Assisting with Rodent Control Measures Environmental public health (EPH) may assist with rodent control measures after a disaster through direct involvement, supervising activities, or providing technical information and guidance. The two main rodent control methods are trapping and chemical control through rodenticides. Chemical control: Different types of rodenticides have varying mechanisms and advantages/disadvantages Always follow manufacturer recommendations and regulations when using rodenticides Most common are multi-dose baits (blocks, pellets, toss packs) placed strategically in infested areas Use generous amounts of fresh bait, place bait out of reach of children and pets, and use bait stations to prevent accidental exposure Risks include accidental poisoning of children, pets, and wildlife, and secondary poisoning of animals that ingest poisoned rodents Trapping: An alternative to rodenticides Used for parasite/blood sampling, rodenticide failure, or high risk from rodenticides When removing dead rodents from traps: Spray with EPA-approved disinfectant or bleach solution. Use gloves, double seal in bags, and discard in outdoor waste receptacles. Disinfect reusable gloves, wash hands thoroughly, and disinfect traps before reuse. Activity Documentation Maintain thorough documentation and detailed records of rodent control activities according to established procedures in the jurisdiction. This documentation is crucial for: 1. Evaluating the effectiveness of rodent control efforts 2. Securing cost reimbursement for disaster-related activities from various authorities Uses edible baits containing rodenticides Baits vary by species and geographic region
3. Establishing baseline data for future disasters 4. Addressing potential post-disaster legal concerns
Responders should also be prepared for rodent hysteria and avoid overreacting. Misconceptions about rodents may be more prevalent following a disaster. EPH should collaborate with Public Information Officers (PIOs) and the Joint Information Center (JIC) to dispel rumors and misinformation related to rodent populations.
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