World Health Organization

A poliovirus variant has been detected in six wastewater samples in Khan Younis and Deir Al Balah, two cities in southern and central Gaza.  In a Facebook post on Friday, the Gaza Health Ministry called it a “health disaster.” The testing, done in co-ordination with UNICEF, found the presence of Type 2 poliovirus, which causes the polio disease. Officials in Gaza said the presence of the virus was caused by the severe congestion of people in small areas and the scarcity of available water in the strip. The samples were taken from sewage water that runs between densely populated areas and the tents of displaced people.  Polio is a highly infectious disease that can infect the central nervous system and damage nerve cells that activate muscles. However, in some cases, it causes no symptoms and goes undetected. No one in Gaza has been treated for polio-related symptoms yet, the WHO told The Associated Press. Similarities to Egyp...