Journal List > J Bacteriol Virol > v.36(3) > 1033844

Song, Lee, Kim, and Shin: Epidemiological Survey of Hantaan Virus Infection of Wild Rodents Trapped in Jeollanam-do, 2003∼2004

Abstract

Hantaan virus (HTNV) is widely distributed in Korea and has been known to cause haemorrhagic fever with renal syndrome (HFRS). Hantaviruses are carried by numerous rodent species throughout the world. Especially, the striped-field mice, Apodemus agrarius, is the natural host for Hantaan virus in Korea, In this study, a total 117 wild rodents of 2 species (A. agrarius, Crocidura laciura) were trapped from six county (Damyang-gun, Hwasun-gun, Gokseong-gun, Jangheung-gun, Hampyeong-gun and Boseong-gun) in Jeonnam province from Sep. 2003 to Nov. 2004 for epidemiological survey. As determined by the indirect immunofluorescent antibody (IFA) test, IgG antibodies against HTNV were detected in 13.4% (14/103) of A. agrarius captured on above the areas. Serologic evidence for HTNV infection was not found in 14 C. laciura. 5 of A. agrarius were positive of hantaan viral RNA amplication from lung tissue of 14 seropositive A. agrarius by RT-PCR. For isolation of the hantaan virus, the lung tissue homogenate of 14 seropositive A. agrarius inoculated Vero E6 cells, but virus was not isolated.

References

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Figure 1.
Agarose gel electophoresis of RT-PCR products for the detection of Hantaan virus of the wild rodents trapped in Jeollanam-do.
jbv-36-205f1.tif
Table 1.
List of specific primers used in this study
Primer Polarity Sequence
    S segment cDNA synthesis primer
HS398/S Forward GCA TCA TCG TCT ATC TTA CAT C
    S segment 1st PCR primers
HS398/S Forward GCA TCA TCG TCT ATC TTA CAT C
HS1395/R Reverse GTG CAA ATA TGA TTG ATA AT G
    S segment 2nd PCR primers
HS861/S Forward TAT GGA GCA AGT GCA TCA GAG
HS1089/R Reverse AGA TGT TCC AAC TGT CTT AGA TGC C
Table 2.
Seroprevalence of hantaan virus infection of A. agrarius in Jeollanam-do, 2003∼2004
Species Location Capture date (Month/Year) IFA positive / No. tested Prevalence (%)
A. agrarius Hwasun-gun Sep./2003 1/8 12.5
A. agrarius Hwasun-gun Oct./2003 0/1 0
A. agrarius Hwasun-gun Apr./2004 4/17 23.5
A. agrarius Damyang-gun Apr./2004 3/6 50.0
A. agrarius Hampyeong-gun May/2004 0/5 0
A. agrarius Gokseong-gun May/2004 3/11 27.2
A. agrarius Jangheung-gun Jun./2004 0/10 0
A. agrarius Hwasun-gun Oct./2004 0/2 0
A. agrarius Boseong-gun Oct./2004 0/2 0
A. agrarius Damyang-gun Oct./2004 0/8 0
A. agrarius Hampyeong-gun Oct./2004 0/10 0
A. agrarius Jangheung-gun Oct./2004 0/1 0
A. agrarius Gokseong-gun Oct./2004 1/16 6.3
A. agrarius Jangheung-gun Nov./2004 2/6 33.3
Total     14/103 13.4
Table 3.
Serologic evidence for hantaan virus infection of A. agrarius and C. laciura captured in six province of Jeollanam-do, 2003∼2004
Location Species No. Positive / No. tested Prevalence (%)
Damyang-gun A. agrarius 3/14 21.4
  C. laciura 0/2 0/2
Hwasun-gun A. agrarius 5/28 17.9
  C. laciura 0/3 0
Gokseong-gun A. agrarius 4/27 14.8
  C. laciura 0/3 0
Jangheung-gun A. agrarius 2/17 11.8
  C. laciura 0/2 0
Hampyeong-gun A. agrarius 0/15 0
  C. laciura 0/2 0
Boseong-gun A. agrarius 0/2 0
  C. lasiura 0/2 0
Table 4.
Positivity of Hantaviral RNA amplication from lung tissues of A. agrarius by RT-PCR
Species Location No. seropositive / No. tested PCR amplication
No. tested Prevalence (%)
A. agrarius Hwasun-gun 5/28 5 1/5 (20.0)
A. agrarius Damyang-gun 3/14 3 0/3
A. agrarius Gokseong-gun 4/27 4 2/4 (50.0)
A. agrarius Jangheung-gun 2/17 2 2/2 (100)
Total   14/103 14 5/14 (35.7)
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