TABLE 1

Model parameters and ranges of values

Parameter classParameter values in model
Yrs included in the studyTime from primary infection of each patient until 2011
Time from primary infection to final infection of each patient
Probability of each strain in primary human infectionsData set 1a (3)
Data set 2a (11)
Data set 3 (even distribution)
Duration of strain-specific immunity0–15 yr
Probability of challenge with an infectious tick0–100%
Proportion of patients with strain-specific immunity0–100%
  • a See the supplemental material and the text for a detailed explanation.