Epidemiology & Risk Factors Español (Spanish) Chagas disease, or American trypanosomiasis, is caused by the parasite Trypanosoma cruzi. Infection is most commonly spread through contact with the poop of an infected triatomine bug (or “kissing bug”), a blood-sucking insect that feeds on humans and animals. What are the signs and symptoms of Chagas disease? Romaña’s sign, the swelling of the child’s eyelid (pictured above), is a marker of acute Chagas disease. Swelling is due to Trypanosoma cruzi infecting the eyelid when bug feces are accidentally rubbed into the eye, or because the bite wound was on the same side of the child’s face as the swelling. Credit: WHO/TDR Acute phase: During this phase, which lasts for the first few weeks or months infection, a person may have no symptoms or mild ones, such as fever, fatigue, body aches, headache, rash, loss of appetite, diarrhea, and vomiting. Because these symptoms are similar to those of other illnesses, most people do not know their illness is from infection with the T. cruzi parasite. However, a doctor may be able to pick up other signs of infection, including mild enlargement of the liver or spleen, swollen glands, or swelling at the site of the bite (called a chagoma), [...]
Haemaphysalis longicornis is a tick indigenous to Asia, where it is an important vector of human and animal disease agents, which can result in human hemorrhagic fever and substantive reduction in dairy production. Read full CDC report here: https://www.cdc.gov/mmwr/volumes/67/wr/mm6747a3.htm?s_cid=mm6747a3_e
This season has been intense for ticks and fleas. Please be aware that the Powassan (POW) virus is transmitted to humans by infected ticks.
These maps show The new estimated range maps have been updated from a variety of published and unpublished sources. These maps show CDC’s best estimate of the potential range of Aedes aegypti andAedes albopictus in the United States. These maps include areas where mosquitoes are or have been previously found. Maps are not meant to represent risk for spread of disease. These maps DO NOT show Likelihood that these mosquitoes will spread viruses. Shaded areas on the map do not necessarily mean that there are infected mosquitoes in that area. Numbers of mosquitoes: These maps do not show how many mosquitoes are living in an area. Mosquito population numbers vary widely across the shaded areas on the map, from high numbers of mosquitoes in some parts of Florida and Texas to rare reports of mosquitoes further north. Exact locations of mosquitoes: These maps are our best estimate of where mosquitoes could potentially live. Actual mosquito populations will vary by state and county. Mosquito populations may be found in an area that is not shaded on the maps and may not be found in all shaded areas. Find the Insect Repellent that is Right for You [...]
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A 55-year-old woman tested positive for the virus after traveling outside of the United States to a country where the Zika virus has been found, the Montgomery County Health Department (MCHD) said.
Mud dauber (sometimes called "dirt dauber," "dirt digger," "dirt dobber," "dirt diver", or "mud wasp") is a name commonly applied to a number of wasps from either the family Sphecidae or Crabronidae that build their nests from mud. Mud daubers are long, slender wasps about 1-inch (25 mm) in length; the latter two species above have thread-like waists. The name of this wasp group comes from the nests that are made by the females, which consist of mud molded into place by the wasp's mandibles.
Paper wasps are beneficial insects. They feed on many insect pests. However, they can and do sting when disturbed, which can be a problem if a nest is touched by someone doing pruning or fruit picking, or if there is a lot of human activity near a nest.