False Negativity of Ziehl-Neelsen Smear Microscopy: Is the Scale-up the Worth It in Developing Countries?

OBJECTIVE To evaluate the false negative results of Ziehl-Neelsen (ZN) smear microscopy. STUDY DESIGN Descriptive study. PLACE AND DURATION OF STUDY Mycobacteriology Laboratory, Allama Iqbal Medical College (AIMC) and Jinnah Hospital, Lahore (JHL), Pakistan, from February 2014 to August 2016. METHODOLOGY A total of 3,951 (pulmonary 2,773 and extra… CONTINUE READING