Nigerians greet their day with the kind of news some other West African nations can only wish to hear.<br/> <br />Their country is now officially Ebola free.<br/> <br />The World Health Organization says there have been no new cases of the deadly virus in 42 days, well over the 21-day incubation period for the illness.<br/> <br />(SOUNDBITE) (English) WORLD HEALTH ORGANIZATION COUNTRY REPRESENTATIVE, RUI GAMA VAZ, SAYING:<br/> <br />"Nigeria is now free of Ebola virus transmission."<br/> <br />A Liberian diplomat unwittingly brought Ebola to Nigeria in July.<br/> <br />Some 300 people were in direct or indirect contact with him and several people became infected, including some of his health care workers.<br/> <br />In the capital Lagos, teeming with 21 million people, an uncontained Ebola outbreak could have easily turned into a nightmare scenario.<br/> <br />But Nigeria used a health tracking system already in place for Polio and located the hundreds of people potentially in contact with 'patient zero'.<br/> <br />Mobile techno
