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. 2009 Feb 2;77(4):1459–1464. doi: 10.1128/IAI.01518-08

TABLE 2.

Strain-specific infection rates in Dermacentor andersoni ticks fed on superinfected or single-strain-infected Anaplasma marginale hosts

Infection group % of infected ticksa (no. infected/total no.)
Single-strain-infected animals
Superinfected animals
6170 6171 6175 6187 6188
Vaccine strain
    Single-strain infection 45 (54/120) 30 (36/119) 11 (13/118) 13 (15/116)
    Coinfection 27 (32/119) 64 (75/118) 17 (20/116)
    Total 45 (54/120) 57 (68/119) 75 (88/118) 30 (35/116)
St. Maries strain
    Single-strain infection 80 (38/48) 13 (15/119) 17 (20/118) 23 (27/116)
    Coinfection 27 (32/119) 64 (75/118) 17 (20/116)
    Total 80 (38/48) 40 (47/119) 81 (95/118) 40 (47/116)
a

Percentage of fed ticks that acquired infection.