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Volume 16, Number 11—November 2010


Isolation of Ancestral Sylvatic Dengue Virus Type 1, Malaysia

Boon-Teong Teoh, Sing-Sin Sam, Juraina Abd-Jamil, and Sazaly AbuBakarComments to Author 
Author affiliations: University of Malaya, Kuala Lumpur, Malaysia

Main Article

Table 2

Serum neutralization of ancestral sylvatic dengue virus isolate D1/Malaysia/36046/05, Malaysia*

Serum group* Neutralizing antibody titer†
Mock 0
Virus 0
Medium 0
SI 320
SII 80

*Mock, controls treated with serum from healthy (no dengue infection) donors; virus, virus plus diluent; medium, serum and diluent without virus; SI, subgenotype I; SII, subgenotype II.
†Reciprocal of the highest serum dilution that reduced viral foci by 50% (50% focus-reduction neutralization test). Serum from patients infected with sylvatic virus was not available. Virus was treated with serum from patients infected with primary dengue virus type 1 SI or SII.

Main Article