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July 28, 2026 Infectious Disease / Parasites

Cyclosporiasis sickens some people worse – why your diarrhea could be more explosive than others

Understanding how the immune system responds to the parasite that causes the disease called cyclosporiasis can help explain why the infection is mild in some people but can cause severe or long-lasting illness in others.

Colorized scanning electron micrograph of a cell heavily infected with SARS-CoV-2 virus particles (yellow), isolated from a patient sample. The black area in the image is extracellular space between the cells. Image captured at the NIAID Integrated Research Facility (IRF) in Fort Detrick, Maryland. Credit: NIAID

Ivermectin should not be used to prevent or treat COVID-19, health officials warn

Ivermectin, an antiparasitic drug, is ineffective against the COVID-19 virus and its side effects can be dangerous.

March 19, 2020 Food-borne Illness / Parasites

‘Sushi parasites’ have increased 283-fold in past 40 years, UW study finds

The next time you eat sashimi, nigiri or other forms of raw fish, consider doing a quick check for worms.