Table 1 Frequency of positive results with autologous plasma skin test
(APST) with autologous serum skin test
Moreover, consideration of cockroach allergen in the routine skin tests
in this geographic location seems reasonable.
TB skin tests
are usually read 48 h after PPD injection; however, in this study, additional readings were done at 24 and 72 h, at which time results, similar to those at 48 h, demonstrated that zinc cream caused larger TB skin-test reactions (both p<0.
These tests have several advantages over the older skin test
Compared with the skin test
, the QuantiFERON test is unaffected by subjective interpretation, previous vaccinations or unrelated mycobacteria, officials said.
The pilots follow the endorsement of the Gamma Interferontest as a supplement to the skin test
by the European Commission's Standing Committee on the Food Chain and Animal Health in Brussels last month.
The investigators concluded that using the model will eliminate the need for skin tests
of some contacts, but they noted that contact tracing "is also an art requiring other forms of expertise and intuition.
In this study, fewer than one third of all persons with newly documented positive skin tests
detected during contact investigations were proven to have completed treatment.
A final decision on the extent of the wildlife survey will be made later this month, after the state agricultural department receives results of non-lethal TB skin tests
on 280 cattle and 200 farmed elk.
SET differs from other skin tests
in that it is designed to be primarily a quantitative rather than qualitative test of allergen sensitivity.
Pupils and teachers were given skin tests
and 11 children showed positive.
The objectives of the initial screening program include (a) screening patients for TB upon entry to the York Region Dialysis Program or the York Region Renal Insufficiency Program, (b) annual screening thereafter; monitoring for conversions to positive skin tests
, and (c) and initiation of preventive therapy where indicated.