Q3. The following abstract (summary result) was taken from the annual report of Malaria and
other Vector-borne diseases Control Organization (MVDCO).
The Malaria Seasonal Blood survey (SBS) results of 1979 (SL. C.) which covered all regions of Sierra Leone
are stated in the following manner. Arrange them in a table so that the various parts of the table can be
visualized easily.
a.
In areas exempted from spray (0 spray round) the result of the survey showed 867, 313, 3 and 3
P.f., P.v., P.m. and mixed infection respectively.
b. In areas of one spray round a year, the same survey showed 1003, 172, 3 and 2 P.f., P.v., P.m. and
mixed infection respectively.
C. In areas of two rounds of spray a year, 706 (P.f.), 200(P.v.), 4(P.m.) and 3(mixed infection) were
observed.
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