Communication Resources

At a glance

  • CDC has developed tools to help people better understand alpha-gal syndrome.
  • Materials include a fact sheet for healthcare providers and the public, a brochure for hunters, photos of lone star ticks, and graphics.
Woman reads an informational brochure in a healthcare provider's office.

Healthcare provider fact sheet

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Support People With Alpha-gal Syndrome
Alpha-gal syndrome fact sheet for healthcare providers who want to learn more about the disease.
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Factsheet for everyone

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About AGS
Factsheet with information about Alpha-gal syndrome, its symptoms, and living with it.
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Brochure

AGS brochure for hunters and outdoor enthusiasts
Brochure: What Hunters Should Know About AGS
A printable brochure offers hunters information on alpha-gal syndrome and how to prevent it.

Photos and graphics

Lone star tick photos

Photos provided by CDC are free of any copyright restrictions. We request that CDC be credited in any public or private use of these photos.

An adult female lone star tick crawls on a blade of grass.
A lone star tick on a blade of grass
An adult female lone star tick crawls on a blade of grass.
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An adult female lone star tick crawls on the surface of camouflage clothing.
A lone star tick crawls on camouflage clothing
An adult female lone star tick crawls on the surface of camouflage clothing.
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An adult female lone star tick, Amblyomma americanum, crawls on a person’s right index fingernail.
A lone star tick crawls along a person's fingernai…
An adult female lone star tick, Amblyomma americanum, crawls on a person’s right index fingernail.
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A lone star tick with its characteristic white spot on its back climbs on a leaf.
Lone star tick on a leaf
A lone star tick with its characteristic white spot on its back climbs on a leaf.
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Adult female lone star tick crawling on wristwatch
Adult female lone star tick crawling on wristwatch
Adult female lone star tick crawling on wristwatch
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AGS graphics

Graphics provided by CDC are free of any copyright restrictions. We request that CDC be credited in any public or private use of these graphics. You can use this series of graphics on social media, on webpages, or for other communication purposes to help explain AGS.

A graphic showing that AGS is an allergy, which can develop after a tick bite.
AGS definition graphic (1)
A graphic showing that AGS is an allergy, which can develop after a tick bite.
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A graphic showing that AGS symptoms can start weeks to months after a tick bite.
AGS timeline graphic (2)
A graphic showing that AGS symptoms can start weeks to months after a tick bite.
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A graphic showing that an allergic reaction to alpha-gal can occur 2–6 hours after exposure to alpha-gal.
AGS allergic reaction graphic (3)
A graphic showing that an allergic reaction to alpha-gal can take 2–6 hours after exposure.
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A graphic listing common symptoms of AGS, including hives, swelling, nausea, and vomiting.
AGS symptoms graphic (4)
A graphic listing common symptoms of AGS, including hives, swelling, nausea, and vomiting.
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A concluding graphic offering a call-to-action to learn more at cdc.gov/alpha-gal.
AGS call-to-action graphic (5)
A concluding graphic showing the CDC logo and AGS website address.
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Content Source
National Center for Emerging and Zoonotic Infectious Diseases (NCEZID)
About This Page
Published: June 26, 2025
Updated: March 27, 2026

This page was last updated on this date. Updates may include minor edits, image changes, or other modifications to page content.

Reviewed: June 26, 2025

The information on this page was last reviewed by subject matter experts to ensure accuracy.