Fact Sheets

Use these fact sheets to learn more about harmful algal blooms and the illnesses they cause in people and animals. To order FREE printed copies, visit CDC-INFO On Demand. Select “Harmful Algal Blooms” from the Programs drop-down menu and click “Apply.”

Animal Safety
thumbnail Image for Animal Safety Alert Fact Sheet

Message: Tips to protect your pets and livestock from harmful cyanobacterial (also called blue-green algae) blooms

Audience: Pet and livestock owners

Download: English [PDF – 2 pages] | Spanish [PDF – 2 pages]

Webpage: English | Spanish

Harmful Algal Bloom Issue Brief
Harmful algal blooms threaten our health, environment, and economy

Message: Harmful algal blooms threaten our health, environment, and economy. CDC works with partners to understand harmful algal blooms and prevent illnesses.

Audience: Policymakers, public

Download: English [PDF – 8 pages]

Facts about Cyanobacterial Blooms for Poison Center Professionals
Facts About Cyanobacterial Blooms for Poison Center Professionals factsheet thumbnail

Message: Information about cyanobacterial blooms for poison center professionals

Audience: Poison center professionals

Download: English [PDF – 4 pages] I Spanish [PDF – 5 pages]

Webpage: English I Spanish

Facts About Marine Harmful Algal Blooms for Poison Center Professionals
Facts About Marine Harmful Algal Blooms for Poison Center Professionals factsheet thumbnail

Message: Information about marine harmful algal blooms for poison center professionals

Audience: Poison center professionals

Download: English [PDF – 7 pages] I Spanish [PDF – 7 pages]

Webpage: English I Spanish

For Healthcare Providers
Thumbnail image for Physician Reference for Cyanobacterial Blooms factsheet

Message: What we know about exposure to cyanobacterial blooms and possible health effects

Audience: Healthcare providers

Download: English [PDF – 2 pages] | Spanish [PDF – 2 pages]

Webpage: English | Spanish

For Veterinarians
Image of veterinarian Reference for Cyanobacterial Blooms Fact Sheet

Message: What we know about exposure to cyanobacterial blooms and possible health effects in animals

Audience: Veterinarians

Download: English [PDF – 2 pages] | Spanish [PDF – 2 pages]

Webpage: English | Spanish