From: A serological framework to investigate acute primary and post-primary dengue cases reporting across the Philippines
DENV immune status
Algorithm
1
2
n
%
Primary
1285
15.3
1576
18.7
Post-primary
4177
49.6
5414
64.3
Historical
–
991
11.8
Negative
436
5.2
Unclassifiable
2963
35.2
8
0.1