seererEight Chinese medical workers have been placed in quarantine in Sierra Leone, as health experts grappled with ethical questions over the use of experimental drugs to combat the killer Ebola virus. Gripped by panic, west African nations battling the tropical disease ramped up drastic containment measures that have caused transport chaos, price hikes and food shortages. The World Health Organization scrambled to draft guidelines for the use of experimental medicines at a meeting in Geneva as the death toll from the worst Ebola outbreak in history neared 1,000. There is currently no available cure or vaccine for Ebola, one of the deadliest viruses known to man, which the WHO has declared a global public health emergency. More