Lakhbir Singh Chauhan

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Rapid expansion of the standardised approach to tuberculosis diagnosis and treatment that is recommended by WHO allowed more than 36 million people to be cured between 1995 and 2008, averting up to 6 million deaths. Yet tuberculosis remains a severe global public health threat. There are more than 9 million new cases every year worldwide, and the incidence(More)
OBJECTIVE To review the characteristics of public-private mix projects in India and their effect on case notification and treatment outcomes for tuberculosis. DESIGN Literature review. DATA SOURCES Review of surveillance records from Indian tuberculosis programme project, evaluation reports, and medical literature for public-private mix projects in(More)
BACKGROUND Limited information about the prevalence of drug-resistant tuberculosis (TB) has been reported from India, the country with the world's highest burden of TB. We conducted a representative state-wide survey in the state of Gujarat (2005 population: 56 million). METHODS Mycobacterium tuberculosis isolates from a representative sample of new and(More)
OBJECTIVE To report dengue virus and its disease transmission in Aedes albopictus in the National Capital Territory of Delhi, India. METHODS Monthly Aedes surveys were carried out in 126 urban localities of Delhi in 2008 and 2009. Pools of all three species of Aedes mosquitoes were tested for Dengue virus (DENV) using an antigen-capture enzyme-linked(More)
Epidemics of HIV/AIDS have increased the tuberculosis (TB) case-load by five or more times in East Africa and southern Africa. As HIV continues to spread, warnings have been issued of disastrous AIDS and TB epidemics in "new-wave" countries, including India, which accounts for 20% of all new TB cases arising in the world each year. Here we investigate(More)
The prevalence of diabetes mellitus is increasing at a dramatic rate, and countries in Asia, particularly India and China, will bear the brunt of this epidemic. Persons with diabetes have a significantly increased risk of active tuberculosis (TB), which is two to three times higher than in persons without diabetes. In this article, we argue that the(More)
Independent outbreaks of dengue virus (DENV) infection and sporadic cases of chikungunya virus (CHIKV) have been recorded in the metropolitan city of Delhi on several occasions in the past. However, during a recent 2010 arboviral outbreak in Delhi many cases turned negative for DENV. This prompted us to use duplex reverse transcriptase-polymerase chain(More)
SETTING India's Revised National Tuberculosis Control Programme (RNTCP) implemented an intensified scale-up of public-private mix (PPM) DOTS covering 50 million population in 14 major cities. OBJECTIVES To describe the processes and outcomes of the systems approach adopted. METHODS National schemes for engagement with different providers were applied.(More)
BACKGROUND Tuberculosis control in India still faces many challenges related to the provision of services under the Directly Observed Treatment, Short-course (DOTS) strategy. We assessed the utilization of and barriers to the Revised National Tuberculosis Control Programme (RNTCP) services based on DOTS in 4 states of India, and recommend actions to(More)
OBJECTIVES To measure the economic costs and benefits of scaling up tuberculosis (TB) control under the Revised National Tuberculosis Control Programme (RNTCP) in India. DESIGN Modelling based on country-level programme and epidemiological data from 1997 to 2006. RESULTS The scale-up of TB control in India has resulted in a total health benefit of 29.2(More)