Volume 9, Number 9—September 2003
Research
Hantavirus Infection in Humans and Rodents, Northwestern Argentina
Noemi Pini*
, Silvana Levis*, Gladys Calderón*, Josefina Ramirez†, Daniel Bravo‡, Elena Lozano†, Carlos Ripoll§, Stephen St. Jeor¶, Thomas G. Ksiazek#, Ruben M. Barquez**††, and Delia Enria*
, Silvana Levis*, Gladys Calderón*, Josefina Ramirez†, Daniel Bravo‡, Elena Lozano†, Carlos Ripoll§, Stephen St. Jeor¶, Thomas G. Ksiazek#, Ruben M. Barquez**††, and Delia Enria*Table 4
Hantavirus antibody prevalence by clinical and epidemiologic characteristics
| Yes |
No |
Chi square,a p value | Without data |
||
|---|---|---|---|---|---|
| Positive/tested (%) | Positive/tested (%) | Positive/tested (%) | |||
| Previous clinical HPSb symptoms |
3/29 (10.3) |
19/307 (6.2) |
0.75, 0.38 |
0/5 (0) |
|
| Contact with a confirmed HPS case-patient |
6c/98 (6.1) |
16/242 (6.6) |
0.03, 0.86 |
0/1 (0) |
|
| Recreational activities (fishing, hunting) |
6/77 (7.8) |
16/260 (6.2) |
0.26, 0.60 |
0/4 (0) |
|
| Sighting of rodents |
17/270 (6.3) |
5/71 (7.0) |
0.05, 0.81 |
||
| Trips outside the area | 15/233 (6.4) | 7/105 (6.7) | 0.01, 0.93 | 0/3 (0) | |
aChi-square test for comparison of two proportions in two independent samples, p>0.05 no significance. EpiInfo version 2000 (Centers for Disease Control, Atlanta, GA).
bHPS, hantavirus pulmonary syndrome.
cAll positive contacts were relatives of a confirmed HPS patient.
