Gaza virus outbreak: Understanding the threat of Type 2 Polio
A recent detection of type 2 polio in a Gaza infant marks the first case in 25 years, sparking concern over a potential outbreak.
A Palestinian boy receives polio vaccine at a hospital in Khan Younis in the southern of Gaza Strip February 23, 2014.(photo credit: IBRAHEEM ABU MUSTAFA/REUTERS)BySIMCHA PASKO/THE MEDIA LINEUpdated: 
