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- Title
BCG and New Preventive Tuberculosis Vaccines: Implications for Healthcare Workers.
- Authors
Hatherill, Mark; Scriba, Thomas J.; Udwadia, Zarir F.; Mullerpattan, Jai B.; Hawkridge, Anthony; Mahomed, Hassan; Dye, Christopher
- Abstract
Healthcare workers (HCWs) are at high risk of Mycobacterium tuberculosis (Mtb) infection and tuberculosis disease, but also play a crucial role in implementing healthcare. Preexposure tuberculosis vaccination, including revaccination with BCG, might benefit Mtb-uninfected HCWs, but most HCWs in tuberculosis-endemic countries are already sensitized to mycobacteria. A new postexposure tuberculosis vaccine offers greatest potential for protection, in the setting of repeated occupational Mtb exposure. Novel strategies for induction of mycobacteria-specific resident memory T cells in the lung by aerosol administration, or induction of T cells with inherent propensity for residing in mucosal sites, such as CD1-restricted T cells and mucosa-associated innate T cells, should be explored. The need for improved protection of HCWs against tuberculosis disease is clear. However, health systems in tuberculosis-endemic countries would need significantly improved occupational health structures to implement a screening and vaccination strategy for HCWs.
- Subjects
MYCOBACTERIUM tuberculosis; TUBERCULOSIS prevention; VACCINATION; PUBLIC health; MEDICAL personnel
- Publication
Clinical Infectious Diseases, 2016, Vol 62, pS262
- ISSN
1058-4838
- Publication type
Article
- DOI
10.1093/cid/ciw025