Y. pestis reservoir surveillance in Santa Clara and Los Colonos, Casagrande
|
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|
X. cheopis Specific Index (
c
)
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Location | Num. traps | Captured rodents | Trap Index (a) | General Flea Index (b) |
R. rattus
|
R. norvegicus
| Y. pestis results |
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Los Colonos | 60 | 17 | 14,17% | 6,59 | 11,8 | 0,5 | Not available |
Santa Clara | 60 | 12 | 10,00% | 0,20 | 0 | 0,11 | POSITIVE |
- (Note: No data was available for San José Alto but the human cases where located there)
- (a) Defined as the number of traps with rats divided by the total number of traps deployed, multiplied by 100. [50]
- (b) Defined as the number of fleas collected divided by the total number of rodents captured. [50]
- (c) Defined as the number of fleas of one specific species divided by the total number of rodents of one specific species. If the Specific Index (SI) is > 1 regarding Xenopsilla cheopis, the situation is considered at risk. [50]