Skip directly to search Skip directly to A to Z list Skip directly to site content
CDC Home

Volume 18, Number 10—October 2012

Letter

Bartonella spp. Infection Rate and B. grahamii in Ticks

Elisabeth Janecek, Andreas Mietze, Ralph Goethe, Thomas Schnieder1, and Christina StrubeComments to Author 
Author affiliations: University of Veterinary Medicine Hannover, Hanover, Germany

Main Article

Table

Seasonal distribution of Ixodes ricinus ticks infected with Bartonella spp., Hanover, Germany, 2010*

Ticks April May June July August September October Total
No. infected ticks/no. tested (%) 5/300 (1.67) 38/300 (12.67) 7/300 (2.33) 10/300 (3.33) 5/300 (1.67) 17/300 (5.67) 18/300 (6.00) 100/2,100 (4.76)
No. (%) adults positive 1/88 (1.14) 8/48 (16.67) 0/39 0/41 2/56
(3.57) 3/53
(5.66) 4/47
(8.51) 18/372
(4.84)
No. (%) females 1/32 (3.13) 3/19
(15.79) 0/20 0/17 1/32
(3.13) 2/28
(7.14) 2/29
(6.90) 9/177
(5.08)
No. (%) males 0/56 5/29
(17.24) 0/19 0/24 1/24
(4.17) 1/25
(4.00) 2/18
(11.11) 9/195
(4.62)
No. (%) nymphs 3/203 (1.48) 30/248 (12.10) 7/261 (2.68) 10/259 (3.86) 3/244 (1.23) 14/240 (5.83) 13/243 (5.35) 80/1,698 (4.71)
No. (%) larvae 1/9 (11.11) 0/4 ND ND ND 0/7 1/10 (10.00) 2/30
(6.67)

*ND, testing not done.

Main Article

1Deceased.

Top of Page

USA.gov: The U.S. Government's Official Web PortalDepartment of Health and Human Services
Centers for Disease Control and Prevention   1600 Clifton Rd. Atlanta, GA 30333, USA
800-CDC-INFO (800-232-4636) TTY: (888) 232-6348 - Contact CDC–INFO