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Table 1 Yersinia pestis reservoir circulation surveillance in 2014 (source: National Institute of Health of Peru and GERESA La Libertad)

From: Identifying the social and environmental determinants of plague endemicity in Peru: insights from a case study in Ascope, La Libertad

Y. pestis reservoir surveillance in Santa Clara and Los Colonos, Casagrande

 

X. cheopis Specific Index ( c )

 

Location

Num. traps

Captured rodents

Trap Index (a)

General Flea Index (b)

R. rattus

R. norvegicus

Y. pestis results

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

  1. (Note: No data was available for San José Alto but the human cases where located there)
  2. (a) Defined as the number of traps with rats divided by the total number of traps deployed, multiplied by 100. [50]
  3. (b) Defined as the number of fleas collected divided by the total number of rodents captured. [50]
  4. (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]
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BMC Public Health

ISSN: 1471-2458

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