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Introduction

Lyme Disease

Lyme Disease

Pests & Public Health: What’s the threat?

Pests are animals or plants that damage people and our food, and our homes and community. Many pests, including mosquitoes, fleas, and rats, can bite. Their real threat, however, is that they can spread diseases, sometimes through their bite, such as mosquitoes, or by their droppings or activities.
Key public health threats from pests are:

Penn State Insect Identification Images

Penn State Entomology Fact Sheets