TABLE 3.

Anti-Ixodes calreticulin antibody in subjects 1 to 2 days and 4 weeks after I. scapularis tick bite

CaseDescription of attached tickNo. of bites in past yearAntibody titer at:
StageFeeding statusNo. attached1-3 days4 wk
1LarvaUnfed∼6021:801:160
2NymphFully fed121:801:80
3NymphPartially fed151:801:80
4NymphPartially fed3Uncertain1:801:80
5NymphPartially fed221:80
6LarvaFully fed1Uncertain1:160
7AdultPartially fed211:640
Controls
    Positive1:160
    Negative<1:40