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Volume 18, Number 6—June 2012


African Swine Fever Virus Strain Georgia 2007/1 in Ornithodoros erraticus Ticks

Adriana V. Diaz, Christopher L. Netherton, Linda K. Dixon, and Anthony J. WilsonComments to Author 
Author affiliations: The Royal Veterinary College, London, United Kingdom (A.V. Diaz); Institute for Animal Health, Pirbright, Surrey, United Kingdom (A.V. Diaz, C.L. Netherton, L.K. Dixon, A.J. Wilson)

Main Article


General linear model of the effects of different parameters on the titer of ASFV in experimentally infected Ornithodoros erraticus ticks*

Parameter Maximum likelihood estimator (95% CI)
Constant 1.4985 (0.7084 to 2.2610)†
ASFV strain –1.3620 (–2.4007 to –0.3482)†
Dose 2.1538 (1.5889 to 2.7316)†
Time after feeding (effect per week) 0.6494 (0.5546 to 0.7481)†
Isolate–time interaction –0.0025 (–0.1400 to 0.1363)‡

*Ticks were fed pig blood with 4 log10 or 6 log10 HAD50/mL ASFV strain Georgia 2007/1 or strain OURT88/1. ASFV, African swine fever virus; HAD50, 50% hemadsorbing doses.
†Statistically significant, p<0.01.
‡Not significant (p>0.05).

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