Yemeni 5th anti-polio campaign launched
The Yemeni 5th anti-polio campaign was kicked off in all governorates. The campaign targets about three million children under five years old, SABA reported. More than 40,000 health workers are participating in the three-day campaign. Polio is a highly infectious viral disease. It invades the nervous system and can cause total paralysis in a matter of hours.