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Parasites - Guinea Worm

Center for Disease Control and Prevention CDC (2003) CC

People with Guinea worm disease (GWD) have no symptoms for about 1 year. Then, the person begins to feel ill. Symptoms can include the following: Slight fever Itchy rash Nausea Vomiting Diarrhea Dizziness A blister then develops. This blist... more

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Leptospirosis Fact Sheet

Center for Disease Control and Prevention CDC (2017) CC

Leptospirosis is an infectious disease caused by bacteria. It can lead to potentially fatal infections of the kidney, liver, brain, lung or heart.

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LEPTOSPIROSIS Fact Sheet for Clinicians

Center for Disease Control and Prevention CDC (2018) CC

• Leptospirosis is a disease that is caused by spirochete bacteria in the genus Leptospira. There are 10 pathogenic species, and more than 250 pathogenic serovars. • While leptospirosis occu... more

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Parasites - Onchocerciasis (also known as River Blindness)

Center for Disease Control and Prevention CDC (2019) CC

Onchocerciasis, or river blindness, is a neglected tropical disease (NTD) caused by the parasitic worm Onchocerca volvulus. It is transmitted through repeated bites by blackflies of the genus Simulium. The ... is called river blindness because the blackfly that transmits the infection lives and breeds near fast-flowing streams and rivers, mostly near remote rural villages. The infection can result in visual impairment and sometimes blindness. Additionally, onchocerciasis can cause skin disease, including intense itching, rashes, or nodules under the skin. Worldwide onchocerciasis is second only to trachoma as an infectious cause of blindness. more

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Scabies Frequently Asked Questions

Center for Disease Control and Prevention CDC (2020) CC

Scabies is an infestation of the skin by the human itch mite (Sarcoptes scabiei var. hominis). The microscopic scabies mite burrows into the upper layer of the skin where it lives and lays its eggs. The most common symptoms of scabies are intense it... more

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Rabies around the World

Center for Disease Control and Prevention CDC (2020) CC

Each year, rabies causes approximately 59,000 deaths worldwide. Despite evidence that control of dog rabies through animal vaccination programs and elimination of stray dogs can reduce the incidence... more

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Rabies Vaccine

Center for Disease Control and Prevention CDC (2014) CC

A regimen of four 1-mL doses of HDCV or PCEC vaccines should be administered intramuscularly to previously unvaccinated persons. The first dose of the four-dose course should be administered as soon as possible after exposure. Additional doses should be administered on days 3, 7, ... 14 after the first vaccination. For adults, the vaccination should always be administered intramuscularly in the deltoid area (arm). For children, the anterolateral aspect of the thigh is also acceptable. The gluteal area should never be used for rabies vaccine injections because observations suggest administration in this area results in lower neutralizing antibody titers. more

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Breaking Down Barriers, Strengthening Rabies Diagnostic Capacity Internationally

Greenberg L. Center for Disease Control and Prevention (CDC) (2023) C2

Website last accessed in 12.03.23 CDC’s Lauren Greenberg writes about building rabies diagnostic capacity in the effort to control rabies in countries that are most affected by the disease.

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Clinical Overview of Leishmaniasis

Center for Disease Control and Prevention CDC (2020) C_CDC

The term leishmaniasis encompasses multiple clinical syndromes, including the cutaneous, mucosal, and visceral forms, which result from infection of macrophages in the dermis, in the naso-orpharyngeal mucosa, ... throughout the reticuloendothelial system, respectively. The infection can range from asymptomatic to severe in all of these forms. Cutaneous and mucosal leishmaniasis can cause severe morbidity; visceral and mucosal leishmaniasis can be life threatening. more

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