Pierre Cattand, of the Association Against Trypanosomiasis in Africa, says: “Sixty million people are considered at risk, but only three to four million are under surveillance, yielding some 45 000 new cases a year.
हॉर्न दावा करते हैं: “यह किसी भी इलाज की तरह है जो ऐन तकलीफ के वक्‍त किए जाने पर ज़्यादा असरदार होता है । ”