Tuberculin skin reactivity four years after neonatal BCG vaccination.

Evalution of Tuberculin Skin Test Four Months after BCG Vaccination at Birth

Tuberculin skin reactivity after neonatal BCG vaccination in preterm infants in Minas Gerais, Brazil, 2001-2002.

OBJECTIVES The efficacy of BCG vaccination in preterm babies is unknown, and available data on conversion rates to tuberculin in this age group are scarce and controversial. This study assessed the tuberculin response in preterm infants after BCG vaccination. METHODS This randomized cohort study was carried out at the Neonatal Department, University Hospital, Federal University of Minas Gerai...

Tuberculin reactivity after neonatal percutaneous BCG immunisation.

A total of 348 neonates of Asian ethnic origin were given percutaneous BCG vaccination using a multiple puncture head. Fifty five (15.8%) were tuberculin negative when tested 6-9 weeks after vaccination, a significantly higher proportion than after intradermal vaccination. The number of abscesses after vaccination was however significantly lower.

Tuberculin reactivity in a population of schoolchildren with high BCG vaccination coverage.

OBJECTIVE To investigate the influence of BCG vaccination or revaccination on tuberculin skin test reactivity, in order to guide the correct interpretation of this test in a setting of high neonatal BCG vaccination coverage and an increasing BCG revaccination coverage at school age. METHODS We conducted tuberculin skin testing and BCG scar reading in 1 148 children aged 7-14 years old in the ...

A New Formula for BCG Scar and Tuberculin Test Response

Tuberculosis is an important disease in the world especially in developing and undeveloped regions and PPD test is the standard test for diagnosis of this infectious disease [1-3]. BCG vaccination has proven to be the most effective technique for controlling tuberculosis in the world especially in developing countries [1]. The BCG vaccination is the most extensively used immunization worldwide,...