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Table 1 Trypanosoma cruzi infection among Panstrongylus megistus collected in a captive-primate unit at Brasília zoo, Federal District, Brazil: bug characteristics and results of optical microscopy and nested PCR

From: Vector-borne transmission of Trypanosoma cruzi among captive Neotropical primates in a Brazilian zoo

Sex (adults) and stage (nymphs)

Optical microscopy

Nested PCR

 

Testeda

Positiveb

Tested

Positive

Female

12

2

13

11

Male

7

1

7

7

Nymph II

0

-

4

3

Nymph III

8

1

18

16

Nymph V

7

1

8

7

Total

34

5

50

44

  1. a:Bugs that arrived dead and dry to the laboratory could not be tested by optical microscopy
  2. b:Bugs with a positive optical microscopy were all also positive by nested PCR