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Volume 23, Number 7—July 2017
Research

Effects of Zika Virus Strain and Aedes Mosquito Species on Vector Competence

Alexander T. CiotaComments to Author , Sean M. Bialosuknia, Steven D. Zink, Matthew Brecher, Dylan J. Ehrbar, Madeline N. Morrissette, and Laura D. Kramer
Author affiliations: New York State Department of Health, Slingerlands, New York, USA (A.T. Ciota, S.M. Bialosuknia, S.D. Zink, M. Brecher, D.J. Ehrbar, M.N. Morrissette, L.D. Kramer); State University of New York at Albany School of Public Health, Albany, New York, USA (A.T. Ciota, L.D. Kramer)

Main Article

Table 2

Zika virus vector competence of Aedes aegypti and Ae. albopictus mosquitoes at 21 days after infection*

Mosquito species Zika virus
Mosquitoes
Strain Dose, log10 PFU/mL Infected, % (no. tested) Infected and disseminating, % % Infected and transmitting
Ae. aegypti HND 8.9 90.9 (22) 95.0 80.0†↑
7.7 46.7 (30)†↓ 85.7 78.0†↑
6.6 16.7 (30) 40.0 40.0
4.6
3.3 (30)
 0
 0
Ae. aegypti CAM 8.7 80.0 (30) 100.0 75.0
7.2 44.4 (26) 91.7†↑ 75.0†↑
5.6 10.0 (30) 66.7 33.3
4.3
7.0 (30)
 100
 50.0
Ae. albopictus HND 8.9 100.0 (30) 93.3 33.3S↓
7.5 93.3 (30)†↑‡↑ 75.0‡↑ 21.4†↓
5.9 33.3 (30) 40.0 10.0
4.1
10.0 (30)
 66.7
 0
Ae. albopictus CAM 8.6 95.2 (21) 95.0 55.0
6.6 40.0 (30)‡↓ 25.0†↓‡↓ 25.0†↓
5.3 23.3 (30) 85.7 14.3
4.2 6.0 (16) 0 0

*Up and down arrows indicate value is significantly above or below the comparison value (p<0.05 by Fisher exact test).
†Significant differences between different species at the same dose of the same virus strain.
‡Differences between viral strains at the same dose, within species.

Main Article

Page created: June 19, 2017
Page updated: June 19, 2017
Page reviewed: June 19, 2017
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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