To improve and disseminate best practices for TB infection control, members draw on a diversity of backgrounds, including engineering, architecture, administration and medicine. Experts answer questions and practitioners share strategies for effective TB infection control.

Community moderators

Paul A. Jensen, PhD, PE, CIH
Centers for Disease Control and Prevention - CDC
Edward Nardell, MD
Brigham and Women's Hospital, Division of Global Health Equity
Harvard Medical School
Harvard School of Public Health
Partners In Health - PIH
Grigory Volchenkov, MD
Vladimir Oblast Tuberculosis Dispensary

Recent community activity

Updated: 18 Jan, 2017
Replies: 14

Outdoor sputum induction in South Africa

Edward Nardell, MD replied

Dear Janine, you bring up a truly challenging problem and the photo makes it even clearer. There are no easy answers here, but we should be aware that patients with undiagnosed, untreated TB may be coughing throughout the day - sputum collection is just one, relatively brief aerosol generating procedure. ... read more

Updated: 18 Jan, 2017
Replies: 22

Scanty smear and tuberculous skin test

ANA MARIA BACUDIO replied

Yes scanty positive are also smear positive, that is why instruction must be given to patients regarding proper collection techniques with sputum coming from the lungs, also sputum specimen quality and amount must be check prior to smear preparation so that good specimen quality will be achieve( 25 or more ... read more

Updated: 18 Jan, 2017
Reply: 1

Time Span with Active TB Patients

Edward Nardell, MD replied

I am afraid that such rules of thumb - 8 hours exposure - are greatly misleading - and such things as a good breakfast are even more erroneous as offering immediate protection from TB as your question implies. Here is the process of M tuberculosis infection as I understand it: ... read more

Updated: 07 Jan, 2017
Replies: 2

New community members

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Alexandra Todd

Affiliated Organizations

International Panel Physicians Association

Work Locations

United States

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Rajendra Karnatak

Affiliated Organizations

HEALTH

Work Locations

United States

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DALIA SECIN

Affiliated Organizations

Palm Beach State College

Work Locations

United States