THE World Health Organization has called for access to patients in the Gaza strip and free passage to evacuate them for medical treatment as health workers struggle to care for the sick and wounded after 11 days of violence. WHO spokeswoman Fadela Chaib told a Geneva briefing that around 600 patients, including some with chronic conditions, needed to be referred outside of the Palestinian enclave since the start of the hostilities, but had been unable to due to crossing closures. "It's very important that we help Palestinians get the care they need, especially helping them get treatment outside the Gaza…