Publications by authors named "L Altass"

Background: In low-incidence countries, tuberculosis mainly affects migrants, mostly resulting from reactivation of latent tuberculosis infection (LTBI) acquired in high-incidence countries before migration. A nationwide primary care-based LTBI testing and treatment programme for migrants from high-incidence countries was therefore established in high tuberculosis incidence areas in England. We aimed to assess the effectiveness of this programme.

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Background: Tuberculosis (TB) is the second leading cause of death worldwide due to a single infectious agent. Rates of active TB in places of prescribed detention (PPD), which include Prisons, Young Offender Institutions and Immigration Removal Centres, are high compared with the general population. PPD therefore present an opportunity to develop targeted health programmes for TB control.

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Setting: London, United Kingdom.

Objective: To explore missed opportunities (MO) for the prevention of tuberculosis (TB) in children aged 0-15 years.

Design: Parents/guardians of children aged <15 years diagnosed with TB and reported through surveillance were interviewed about bacille Calmette-Guérin vaccination (MO-V) or contact tracing and screening for TB (MO-C) via an algorithm reflecting eligibility.

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We conducted a case–control study to examine risk factors for isoniazid-monoresistant Mycobacterium tuberculosis in an ongoing outbreak in London. Cases were defined as individuals with an isoniazid-monoresistant strain diagnosed from 1995 to the third quarter of 2006 with an indistinguishable restriction fragment length polymorphism (RFLP) or mycobacterial interspersed repetitive unit (MIRU)-variable number tandem repeats (VNTR) pattern who were resident in or had epidemiological links with London. Controls were all other individuals reported with tuberculosis to the Health Protection Agency London regional epidemiology unit or the HPA London TB Register during 2000 to 2005.

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Monoclonal antibodies My10, BI.3C5, 12.8, and ICH3 identify a monomeric cell surface glycoprotein (HPCA-1) of 100-120 kD, which is selectively expressed on human hemopoietic progenitor cells.

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