Legionnaires' disease showed that Legionnaires' disease was responsible and the immediate epidemiological investigation traced the source of the infection to the air-conditioning cooling tower on the roof of Stafford District Hospital. In March 1999, a large outbreak in the Netherlands occurred during the Westfriese Flora flower exhibition in Bovenkarspel; 318 people became ill and at least 32 people died. This was the second-deadliest outbreak since the 1976 outbreak and possibly the deadliest, as several people were buried before Legionnaires' disease had been diagnosed. The world's largest outbreak of Legionnaires' disease happened in July 2001 with people appearing at the hospital on July
Quảng Ngãi skin disease outbreak heavy metals in the soil or toxic mould on rice have been considered the most likely causes so far. Another outbreak of the same disease in the Quảng Ngãi area was reported in March 2013. Quảng Ngãi skin disease outbreak , multiple press sources reported an outbreak of an unidentified skin disease in the Ba Tơ District of Quảng Ngãi Province, Vietnam. The disease is reported to begin as a skin rash, and in numerous cases appears to have led to the death of the sufferers through organ failure. , the disease was reported to have affected 170 people, and