Volume 9, Number 7—July 2003
Letter
Co-feeding Transmission and Its Contribution to the Perpetuation of the Lyme Disease Spirochete Borrelia afzelii (In Reply to Randolph and Gern)
Table 1
Spirochetal infection in larval Ixodes ricinus ticks that fed on mice during the period of attachment of a single Borrelia afzelii–infected nymph and that fed at specified distances from the infecting nympha
No. examined | % infected | ||
---|---|---|---|
0 | Nil | 68 | 0 |
1 | 83 | 0 | |
2 | 51 | 0 | |
1 | Nil | 125 | 1.6 |
1 | 74 | 0 | |
2 | 124 | 0 | |
2 | Nil | 67 | 29.9 |
1 | 87 | 5.7 | |
2 | 54 | 1.9 | |
3 | Nil | 94 | 55.3 |
1 | 82 | 25.6 | |
2 | 160 | 6.3 | |
aEach feeding sequence was replicated three times.
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