Cases of acute childhood hepatitis of unknown origin continue to increase.
The World Health Organization reported Friday that at least 650 cases under investigation have already been reported in 33 countries, between April 5 and May 26.
In children suffering from this disease, the common viruses that cause hepatitis A, B, C, D and E have been ruled out. Dr. Ernesto Márquez Guillén, a gastroenterologist and hepatologist at Hospital Ángeles Pedregal in Mexico City, explains what is know so far about this disease.
