Test to be taken by participants before and after training
1.
Requirements for conducting a transmission assessment survey (TAS) include:
a. At least ____ rounds of effective mass drug administration (MDA)
b. Epidemiological drug coverage of at least ____% during each round of MDA
c. Sentinel site: Microfilariaemia prevalence of ____% or antigenaemia prevalence of ___%
d. Spot-check site: Microfilariaemia prevalence of ____% or antigenaemia prevalence of ___%
2.
A TAS should be conducted at least ___ months after the most recent round of effective MDA.
3.
True or false:
a. An evaluation unit (EU) must be the same as a MDA implementation unit (IU). ______
b. The total population of an EU should not exceed 2 million. ______
4.
The diagnostic test used for TAS in areas endemic for
a. W. bancrofti is ________________
b. Brugia spp. is ________________
5.
What is the target age group for a TAS, and what is the rationale for selecting this age group?
____________________________________________________________________________
____________________________________________________________________________
__________
6.
The net primary school enrolment ratio must be at least ____% for a TAS to be conducted in
schools.
7.
Identify the type of sampling strategy for:
a. selecting children to test in all schools per enumeration area in an EU at a fixed interval:
___________ sampling
b. first randomly selecting clusters (schools per enumeration area) then systematically selecting
children to test only in selected clusters: ___________ sampling
c. no sampling required; test all children in target age range: __________
8.
True or false: The choice of sampling strategy depends on the total population in the target age
range and the total number of clusters in the EU. _______
9.
In a TAS, the threshold of infection prevalence below which transmission is probably no longer
sustainable even in the absence of MDA is called the _____________.
10. The survey sample builder generated the following list of randomized numbers for clusters 2, 6,
8, 9 and 10. Circle the schools to visit on the list, which is ordered according to geographical
proximity.
1
Austin Elementary
2
Dunwoody Elementary
3
Henderson Mill Elementary
4
Oakcliff Elementary
5
Jolly Elementary
6
Columbia Elementary
7
Ashford Park Elementary
8
Dresden Elementary
9
Stone Mill Elementary
10
Snapfinger Elementary
11. The survey sample builder calculated a sampling interval of 1.19 and generated list A: 1, 2, 4, 5,
6, 7. Circle the children who should be tested in this cluster.
1
2
3
4
5
6
7
12. In order to obtain primary school enrolment ratios for a TAS, communication is often required
with the Ministry of __________.
13. The maximum acceptable non-response rate for a TAS is ___%.
14. If the number of positive results is below the established threshold, the recommendation is to
________________________________________ in the EU.
15. If the number of positive results exceeds the established threshold, the recommendation is to
_________________________________________ in the EU.
16. What are the current WHO recommendations for post-MDA surveillance?
____________________________________________________________________________
____________________________________________________________________________
__________
17. True or false: A dossier for verification of the interruption of lymphatic filariasis transmission
can be submitted by each EU. ______