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PHIL Image 9535
 
ID#:9535
Description:This photograph depicted a dorsal view of an immature, or nymphal, "lone star tick", Amblyomma americanum. Nymphal ticks are much smaller than adult ticks, and people might not notice a nymph until it has been feeding for a few days. Nymphs are, therefore, more likely than adult ticks to transmit diseases to people.

Symptoms and Diagnosis:

Persons who have been bitten by a lone star tick, A. americanum, and who develop a red, expanding rash with central clearing, known as “erythema migrans”, headache or myalgia with fever, should see their physician. The Centers for Disease Control and Prevention (CDC) is interested in obtaining samples from such patients under an Institutional Review Board-approved investigational protocol

Prevention and Treatment:

Prevention measures similar to those for the Lyme disease vector will reduce your exposure to infected ticks. See Lyme Disease Prevention and Control for information on how to:

- avoid tick habitats,

- reduce tick abundance,

- use personal protection equipment, and

- check and remove ticks.

High Resolution:Right click here and select "Save Target As..." for hi-resolution image (14.23 MB)
Content Providers(s):CDC/ Dr. Amanda Loftis, Dr. William Nicholson, Dr. Will Reeves, Dr. Chris Paddock
Creation Date:2006
Photo Credit:James Gathany
Links:
  • CDC - Nat. Center for Infection Diseases; Div. of Vector-Borne Infectious Diseases; Lyme Disease Prevention and Control
  • CDC - Nat. Center for Infection Diseases; Div. of Vector-Borne Infectious Diseases; "Southern Tick-Associated Rash Illness"
    Categories:
    CDC Organization

    MeSH
    tree picture Biological Sciences
    tree picture tree picture Environment and Public Health
    tree picturetree picture tree picture Public Health
    tree picturetree picturetree picture tree picture Disease Transmission
    tree picturetree picturetree picturetree picture tree picture Disease Vectors
    tree picturetree picturetree picturetree picturetree picture tree picture Arthropod Vectors
    tree picturetree picturetree picturetree picturetree picturetree picture tree picture Arachnid Vectors
    tree picturetree picturetree picture tree picture Public Health Practice
    tree picturetree picturetree picturetree picture tree picture Communicable Disease Control
    tree picturetree picturetree picturetree picturetree picture tree picture Pest Control
    tree picturetree picturetree picturetree picturetree picturetree picture tree picture Tick Control
    tree picture Diseases
    tree picture tree picture Bacterial Infections and Mycoses
    tree picturetree picture tree picture Bacterial Infections
    tree picturetree picturetree picture tree picture Gram-Negative Bacterial Infections
    tree picturetree picturetree picturetree picture tree picture Tick-Borne Diseases
    tree picturetree picturetree picturetree picturetree picture tree picture Lyme Disease
    tree picture tree picture Parasitic Diseases
    tree picturetree picture tree picture Ectoparasitic Infestations
    tree picturetree picturetree picture tree picture Tick Infestations
    tree picturetree picture tree picture Protozoan Infections
    tree picturetree picturetree picture tree picture Tick-Borne Diseases
    tree picture tree picture Virus Diseases
    tree picturetree picture tree picture Arbovirus Infections
    tree picturetree picturetree picture tree picture Tick-Borne Diseases
    tree picture Organisms
    tree picture tree picture Animals
    tree picturetree picture tree picture Invertebrates
    tree picturetree picturetree picture tree picture Arthropods
    tree picturetree picturetree picturetree picture tree picture Arachnida
    tree picturetree picturetree picturetree picturetree picture tree picture Acari
    tree picturetree picturetree picturetree picturetree picturetree picture tree picture Ticks
    tree picturetree picturetree picturetree picturetree picturetree picturetree picture tree picture Ixodidae
    tree picturetree picturetree picturetree picturetree picturetree picturetree picturetree picture tree picture Ixodes
    tree picture tree picture Bacteria
    tree picturetree picture tree picture Gram-Negative Bacteria
    tree picturetree picturetree picture tree picture Gram-Negative Anaerobic Bacteria
    tree picturetree picturetree picturetree picture tree picture Gram-Negative Anaerobic Straight, Curved, and Helical Rods
    tree picturetree picturetree picturetree picturetree picture tree picture Spirochaetaceae
    tree picturetree picturetree picturetree picturetree picturetree picture tree picture Borrelia
    Copyright Restrictions:None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.
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