Tuberculosis (TB) is an important public health issue in this world. In 1992, World Health Organization (WHO) has determined tuberculosis as Global Emergency. The caused of tuberculosis disease is Mycobacterium tuberculosis. This bacteria is bar shaped and has the quality of acid fast so that it’s also called as Acid Fast Bacilli (AFB). In this research, an algorithm to identifying and counting...

This is a prospective, descriptive and analytic study conducted from July 2011 to September 2011 at the Children National Hospital Albert Royer of Dakar and at the Vélingara Health District. It was focused on children under 15 without reference to HIV status. For each child, a sample of stool was examined by the Ziehl-Neelsen modified staining and by ELISA using the “Cryptosporidium Antigen Det...

BACKGROUND The main goal of the present study was to develop a new sensitive and specific PCR based method for Identification of Cryptosporidium sp. using novel primers from 18S ribosomal RNA. Cryptosporidiosis in high-risk host groups particularly in neonates and immuno-compromised individuals may result in death. To the best of our knowledge this is the first study regarding develop a new PCR...

I n underdeveloped countries, laboratory faci l i ties for the bacterio­ logical d iagnosis of tubercu losis are, at present , very l imited . Cultural methods are un l i kely to be used on a large scale for many years to come. It is , therefore, important to investigate the most economical method of examin ing smears for tubercle baci l l i . Fluorescence microscopy was introduced by H agemann...

cryptosporidiosis is a widespread cause of diarreheal diseases of humans, young calves, and many mammals caused by infection of intestinal epithelial cells with the protozoal agent cryptosporidium. this study that was conducted in shahriar county of tehran in 2006, altogether 573 stools of calves and 867 stools from diarreheal humans refer to hospitals of county were collected and concentrated ...

Background: Microbiological confirmation of tuberculous meningitis (TBM) remains problematic. We assessed the diagnostic performance of a modified Ziehl-Neelsen (MZN) staining method that showed promise in earlier studies. Methods: Patients evaluated for TBM in Shaanxi province, China, were prospectively enrolled from May, 2011 to April, 2013. Cerebrospinal fluid (CSF) specimens were evaluated ...

The Ziehl–Neelsen (ZN) stain, also known as the acidfast stain, has been reported to be helpful in detection and identification of Schistosoma eggs. In histological sections, Schistosoma mansoni egg shells appear as ZN positive and Schistosoma haematobium shells as ZN negative. The staining target of the responsible ZN component (carbolfuchsin) in the shell is unknown. Because carbolfuchsin is ...

OBJECTIVE To determine the accuracy of Ziehl-Neelsen microscopy in the diagnosis of TB in setings of high HIV prevalence. DESIGN Cross-sectional descriptive study. SETTING Hospitals serving areas of high human immunodeficiency virus prevalence in western Kenya. The study was conducted between September 2007 and September 2009. RESULTS In total, 341/872(39.1%) of the TB suspects were posit...