11.   While the illness has the symptoms of hemorrhagic dengue, clinical tests for dengue have been proving negative.

a. + dengue >>共 22
hemorrhagic 30.56%
classic 8.33%
mosquito-borne 5.56%
regular 5.56%
avoiding 2.78%
combat 2.78%
combating 2.78%
contracting 2.78%
fourth 2.78%
further 2.78%
hemorrhagic + n. >>共 20
fever 55.35%
stroke 15.09%
dengue 6.92%
disease 4.40%
virus 3.77%
form 3.14%
conjunctivitis 1.89%
illness 1.26%
strain 1.26%
case 0.63%
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