Reporting Bluegreen algae (Cyanobacteria) and Cyanotoxin Poisoning

On this page:
What to report
How to report
Who is required to report
More about infectious disease reporting

What to report

Bluegreen algae (Cyanobacteria) and cyanotoxin poisoning must be reported to MDH within one working day.

How to report 

• Yellow Disease Report Card
  This disease may be reported using the MDH "Yellow Card."
   
• Phone
  Any reportable infectious disease may be reported by phone to 651-201-5414 or 877-676-5414.

Who is required to report

• Health care practitioners (health care facilities, medical laboratories, and in certain circumstances veterinarians and veterinary medical laboratories) are required to report disease to the Minnesota Department of Health (MDH) under Minnesota state law.
  • Unless previously reported, every licensed health care provider who provides care to any patient who has, is suspected of having, or has died from a reportable disease is required to report.
• Any person in charge of any institution, school, child care facility, or camp is also required to report disease to MDH.
   
• Persons Required to Report Disease
  More information about who is required to report disease.

More about infectious disease reporting

• Infectious Disease Reporting
  Find out which infectious diseases must be reported by law in Minnesota, who is required to report diseases, how each disease can be reported, and download the appropriate forms.
   
• Amendment to Rules Governing Communicable Disease Reporting
  On September 23, 2024 rule amendments including reporting bluegreen algae (Cyanobacteria) and cyanotoxin poisoning went into effect.