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Table 3 Xenodiagnosis of infected hamsters.

From: Natural transmission of Leishmania infantum through experimentally infected Phlebotomus perniciosus highlights the virulence of Leishmania parasites circulating in the human visceral leishmaniasis outbreak in Madrid, Spain

Hamster code Leishmania Transmission route Time post-infection (months) Engorged flies (%)a Dissected flies (%)b Positive flies (%)c Parasites in s.v. (%)d
H4.1 JPCM5 IP 6 94/100 (94) 65/94 (69.1) 0
H4.2 JPCM5 IP 6 81/100 (81) 70/81 (86.4) 0
H4.3 JPCM5 IP 6 87/100 (87) 65/87 (74.7) 0
H4.4 JPCM5 IP 6 90/100 (90) 63/90 (70.0) 0
H5.1 POL2FL6 Bite 2 90/100 (90) 66/90 (73.3) 0/66 (0)
    4 81/100 (81) 73/81 (90.1) 0/73 (0)
    6 100/100 (100) 87/100 (87.0) 0/87 (0)
H5.2 POL2FL6 Bite 2 82/100 (82) 55/82 (67.1) 0/55 (0)
    4 81/100 (81) 64/81 (79.0) 0/64 (0)
    6 99/100 (99) 79/99 (79.8) 0/79 (0)
H5.3 POL2FL6 Bite 2 100/100 (100) 54/100 (54.0) 2/54 (3.7) 2/2 (100%)
    4 84/100 (84) 72/84 (85.7) 4/72 (5.6) 4/4 (100%)
    6 93/100 (93) 71/93 (76.3) 5/71 (7.0) 4/5 (80.0%)
H5.4 POL2FL6 Bite 2 87/100 (87) 67/87 (77.0) 1/67 (1.4) 1/1 (100%)
    4 88/100 (88) 77/88 (87.5) 7/77 (9.1) 7/7 (100%)
    6 99/100 (99) 81/99 (81.8) 36/81 (44.4) 33/36 (91.7%)
H6.1 POL2FL6 Bite 2 96/100 (96) 67/96 (69.8) 0/67 (0)
    4 46/100 (46) 39/46 (84.8) 0/39 (0)
    6 100/100 (100) 86/100 (86.0) 1/86 (1.2) 1/1 (100%)
H6.2 POL2FL6 Bite 2 90/100 (90) 67/90 (74.4) 0/67 (0)
    4 90/100 (90) 28/90 (31.1) 0/28 (0)
    6 95/100 (95) 69/95 (68.4) 0/69 (0%)
H6.3 POL2FL6 Bite 2 98/100 (98) 81/98 (82.7) 0/81 (0)
    4 99/100 (99) 89/99 (89.9) 0/89 (0)
    6 99/100 (99) 86/99 (86.8) 0/86 (0)
H7.1 POL2FL6 IP 2 92/100 (92) 53/92 (57.6) 4/53 (7.5) 4/4 (100%)
    4 92/100 (92) 33/92 (35.9) 3/33 (9.1) 2/3 (66.7%)
    6 100/100 (100) 83/100 (83.0) 21/83 (25.3) 5/21 (23.8%)
H7.2 POL2FL6 IP 2 72/100 (72) 28/72 (38.9) 0/28 (0)
    4 97/100 (97) 92/97 (94.8) 17/92 (18.5) 9/17 (52.9%)
    6 89/100 (89) 62/89 (69.7) 13/62 (21.0) 11/13 (84.6%)
H7.3 POL2FL6 IP 2 92/100 (92) 39/92 (42.2) 0/39 (0)
    4 71/100 (71) 59/71 (83.1) 4/59 (6.8) 3/4 (75.0%)
    6 91/100 (91) 81/91 (89.0) 23/81 (28.4) 19/23 (82.6%)
H7.4 POL2FL6 IP 6 96/100 (96) 72/96 (75.0) 3/72 (4.2) 0 (0%)
H8.1 BOS1FL1 IP 6 94/100 (94) 93/94 (98.9) 11/93 (11.8) 5/11 (45.5%)
H8.2 BOS1FL1 IP 6 97/100 (97) 83/97 (85.6) 15/83 (18.1) 6/15 (40.0%)
  1. Metacyclic promastigotes were observed in s. v. of all sand flies examined
  2. aBlood-fed sand flies/exposed sand flies ×100
  3. bDissected sand flies/total fed flies ×100
  4. c Leishmania positive sand flies/dissected sand flies ×100
  5. dMaturity of infection is estimated as the percentage of sand flies with promastigotes in the stomodeal valve (s. v.)