World Parasite Awareness Day is observed worldwide every March 20. Established in 2025, the day aims to educate the public about the health threats posed by various parasites to pets and emphasizes the importance of proactive parasite prevention. Many people underestimate the severity of pet parasites, which can lead to significant health issues or even death. Common external parasites include fleas, ticks, and mites, while internal parasites consist of worms and protozoa. The day is supported by numerous veterinary and pet health organizations, including the American Veterinary Medical Association (AVMA) and the World Small Animal Veterinary Association (WSAVA). To celebrate, pet owners are encouraged to discuss prevention strategies with their veterinarians and share information on social media using the hashtags #ParasiteAwarenessDay and #WorldParasiteAwarenessDay.