"Trichinella" does infect raccoons, and undercooked raccoon meat has caused trichinosis in humans. Trichinosis is mainly spread when undercooked meat containing "Trichinella" cysts is eaten. These include trichinosis, "Taenia solium", cysticercosis, and brucellosis. Weil's disease, toxoplasmosis and trichinosis are the best known. In mainland Europe, it is a carrier of trichinosis, leptospirosis, toxoplasmosis and adiaspiromycosis. In addition there are stories of tetanus, psittacosis, typhoid fever, trichinosis and food poisoning. Leuckart is remembered for his work in parasitology, particularly research regarding tapeworm and trichinosis. Trichinosis is often diagnosed in humans once the larvae invade the muscle tissue. Clinical presentation of the common trichinosis symptoms may also suggest infection. The great majority of trichinosis infections have either minor or no symptoms and no complications. Most of the members were stricken with trichinosis after eating raw polar bear meat. In 1914, there was a trichinosis epidemic and it affected 275 people. Muscle biopsy may be used for trichinosis detection. Trichinosis treatment focuses on reducing inflammation, and corticosteroids are usually administered. The best way to prevent trichinosis is to fully cook meat.