Via Gazeta da Bahia, a February 2 report: Número de casos de doença que deixa urina preta sobe para 64 na BA.[Number of cases of disease that causes black urine roses to 64 in Bahia] Edited excerpt from the Google translation:
The number of cases of acute myalgia, a mysterious disease known to cause intense muscular pain and to leave black urine, has risen from 52 to 64 in Bahia. The data refer to the period between December 14, 2016 and January 24 this year. The new bulletin was released on Wednesday (1st) by the Secretary of Health of the State of Bahia (Sesab). So far, two people have died with suspicions of the disease in the state.The first records of symptoms of the disease were recorded in Bahia in December 2016. According to Sesab, of the 64 cases recorded in the survey, 60 occurred in Salvador. Thirty-three may already be classified as suspected because of blood sample results. Besides the capital of Bahia, the municipalities of Vera Cruz, Dias D'Avila, Camaçari and Alcobaça registered one case each.The bulletin that indicated 52 cases in the state was released by the agency at the beginning of the year and took into account the period until January 5. Before that, the last survey, carried out six days earlier, took into account 30 cases.The symptoms of the disease are intense muscular pain, of sudden onset, mainly affecting the cervical and trapezius region, associated with pain in the arms and / or back, thighs, calves with no apparent cause and elevated creatine phosphokinase. Patients may also develop kidney failure and therefore have dark urine.The report goes on to say that one expert believes the cause is some kind of toxin found in fish; another thinks it's a virus. Studies continue.