General TB Incidence Increases With Its Spread in Prisons

by Rathi Manohar on  December 22, 2010 at 8:28 PM Respiratory Disease News
RSS Email Print This Page Comment
Since the risk of tuberculosis (TB) and latent TB, where the disease is dormant but can be reactivated, is high in prisons, its spread can affect the general population too.
 General TB Incidence Increases With Its Spread in Prisons
General TB Incidence Increases With Its Spread in Prisons

These key findings from a systematic review by Iacopo Baussano from the University "Amedeo Avogadro", Italy, and the Imperial College, London, UK, and colleagues and published in this week's PLoS Medicine, suggest that improvements in prison TB control would not only help to protect prisoners and staff from within-prison spread of TB, but would also reduce national TB burdens.

Using previous findings from published studies and data from the World Health Organization, the authors calculated the ratio between the incidence rates for TB and latent TB in prison and in the general population. The average incidence of TB in prisons was 23 times higher that of the general population, and for latent TB, was 26 times higher in prisons than in the general population. The authors also estimated the fraction of TB in the general population attributable to within-prison exposure to TB and found that, on average, the population attributable fraction for TB in high-income countries was 8.5% (that is, one in 11 cases of TB in the general population was attributable to within-prison spread of TB); in middle-to-low-income countries, the average the population attributable fraction for TB was 6.3%.

The authors say: "These data may prove useful to inform the development of rational policies to control TB transmission in correctional facilities." They add: "Future studies should assess the population attributable risk of prison-to-community spread and describe the conditions in the prison that influence TB transmission."

In an accompanying editorial, the PLoS Medicine editors conclude: "The publication of this systematic review marks a shift from considering the incidence of TB in each prison population to considering the massive global impact of tuberculosis in prisons."



Source: Eurekalert

Post your Comments

Comments should be on the topic and should not be abusive. The editorial team reserves the right to review and moderate the comments posted on the site.
* Your comment can be maximum of 2500 characters
Notify me when reply is posted
I agree to the terms and conditions

More News on:

Tuberculosis AIDS/HIV Restless Legs Syndrome Silicosis Screening Tests for Tuberculosis 

News A - Z

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

News Search

Medindia Newsletters

Subscribe to our Free Newsletters!

Terms & Conditions and Privacy Policy.

Stay Connected

  • Available on the Android Market
  • Available on the App Store

Facebook

News Category

News Archive