Ticks
About 14 different tick species live in Maine, but not all of these ticks bite people. The two most common species of tick seen in Maine are the deer tick (Ixodes scapularis) and the American dog tick (Dermacentor variabilis). In Maine, deer ticks can carry germs that cause several illnesses. These include:
Rabies
About Rabies
What is rabies?
Rabies is a disease caused by a virus. It affects the brain and spinal cord. Rabies can cause death if left untreated. Rabies in people is very rare in the United States, but rabies in animals - especially wildlife - is common in most parts of the country, including Maine. We call an animal with rabies a rabid animal.
Mosquitoes and Travel
Overseas travelers should learn about current risks and how to prevent mosquito bites during their trip. Mosquitoes spread viruses and parasites not common or present in the continental United States, such as:
Mosquitoes
About 45 different species of mosquitoes live in Maine. About half of these mosquitoes can carry the germs that cause illness in humans, but not all bite people. Mosquitoes in Maine can carry viruses that can cause several illnesses. These include:
Browntail Moth

Varicella (Chickenpox and Shingles)
General Information
Varicella (Chickenpox) is a highly contagious disease caused by the varicella-zoster virus. It mainely spreads from unvaccinated people with chickenpox to other people who have never had the virus before. It causes an itchy, blister-like rash in most people.
Varicella-zoster virus also causes shingles. After people recover from chickenpox, the virus stays dormant in the body. This virus can reactivate later in life and cause shingles.
The best way to prevent chickenpox is to get the chickenpox vaccine.
Smallpox
General Information
Smallpox is an acute, contagious, and sometimes fatal disease caused by the variola virus, and marked by fever and a distinctive progressive skin rash. Prolonged face-to-face contact is required to spread smallpox from one person to another. Smallpox also can be spread through direct contact with infected bodily fluids or contaminated objects such as bedding or clothing.
Rubella (German Measles)
General Information
Rubella (German Measles) is an infection caused by the rubella virus. It is spread by mucus or droplets from the nose or throat of an infected person, usually when a person coughs or sneezes. Children with rubella usually break out in a rash, which starts on the face and moves down the body. Older children and adults usually suffer first from a fever, swollen glands, and upper respiratory infection before they develop a rash. Rubella infection in the first trimester of pregnancy can lead to fetal death, premature delivery and serious birth defects.
Hand, Foot, Mouth
Hand, foot, and mouth disease (HFMD) is caused by a group of viruses, called enteroviruses. HFMD occurs mainly in infants and children under 5 years old, but it can also occur in adults