symptoms of ebola disease
This is not the first case that doctors returning from the Ebola epidemic are tested to be free from the virus.
On November 19, Indian authorities ordered the isolation of a healthy man but the sperm contained the Ebola death virus.
The World Health Organization (WHO) said it would not prohibit air travel to and from Ebola-infected countries in West Africa, because the risk of airborne spread is very low.
Researchers suspect that the first person infected with Ebola in West Africa is a two-year-old boy, who died on December 6 last year, just days after falling ill in a village in