Sign Up for a Free Account

This is an image preview.
Start a Free Account
to view the full image.

  • Nearly 3,000 illustrations, including video clips of neurologic disorders.

  • Every article is reviewed by our esteemed Editorial Board for accuracy and currency.

  • Full spectrum of neurology in 1,200 comprehensive articles.

  • Listen to MedLink on the go with Audio versions of each article.

Outbreaks of paralytic shellfish poisoning by month in the United States from 1995 to 2018

Outbreaks are more common in the summer. Note: There have been no additional outbreaks since 2018. Data from the National Outbreak Reporting System (NORS) of the Centers for Disease Control and Prevention.