“…Chest X-ray is positive in 87% of cases [6]. The biopsies at the level of the nasopharynx, positive in 45% of cases, are more useful than biopsies of the lower respiratory and renal tracts [6,8,10,15]. The biopsies at the level of the nasopharynx, positive in 45% of cases, are more useful than biopsies of the lower respiratory and renal tracts [6,8,10,15].…”