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Table 1 Vector competence of Aedes vexans for Rift Valley fever phlebovirus at 14 dpe. Infection, dissemination and transmission rates, and transmission efficiency of a natural Ae. vexans population from Catalonia, Spain orally exposed to Rift valley fever phlebovirus (RVFV 56/74)

From: Field-captured Aedes vexans (Meigen, 1830) is a competent vector for Rift Valley fever phlebovirus in Europe

Mosquito flavivirus infection status Feeding 1 Feeding 2 Feeding 3
n IR DIR TR TE n IR DIR TR TE n IR DIR TR TE
Mosquito flavivirus-negative (%) 4 0/4 (0) 0/0 (0) 0/0 (0) 0/4 (0) 11 5/11 (45.0) 1/5 (20.0) 1/1 (100) 1/11 (9.1) 5 1/5 (20.0) 1/1 (100) 1/1 (100) 1/5 (20)
Mosquito flavivirus-positive (%) 12 1/12 (8.3) 1/1 (100) 0/1 (0) 0/12 (0) 23 3/23 (13.0) 1/3 (33.3) 1/1 (100) 1/23 (4.3) 10 4/10 (40.0) 2/4 (50) 2/2 (100) 2/10 (20)
Total (%) 16 1/16 (6.3) 1/1 (100) 0/1 (0) 0/16 (0) 34 8/34 (23.5) 2/8 (25.0) 2/2 (100) 2/34 (5.8) 15 5/15 (33.3) 3/5 (60) 3/3 (100) 3/15 (20)
  1. Notes: IR, positive bodies/total fully engorged females; DIR, positive legs and wings/positive bodies; TR, positive saliva/ positive legs and wings; TE, positive saliva/total fully engorged females
  2. Abbreviations: n, total fully engorged females; IR, infection rate; DIR, disseminated infection rate; TR, transmission rate; TE, transmission efficiency