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Figure
16. Gonococcal Isolate Surveillance Project (GISP) — Location
of participating clinics and regional laboratories: United
States, 2000
Figure 17.
Gonococcal Isolate Surveillance Project (GISP) — Penicillin and tetracycline
resistance among GISP isolates, 2000
Note: PPNG=penicillinase-producing N. gonorrhoeae; TRNG=plasmid-mediated tetracycline resistant N. gonorrhoeae; PPNG-TRNG=plasmid-mediated penicillin
and tetracycline resistant N. gonorrhoeae; PenR=chromosomally
mediated penicillin resistant N.
gonorrhoeae; TetR= chromosomally
mediated tetracycline resistant N. gonorrhoeae; CMRNG=chromosomally mediated penicillin
and tetracycline resistant N. gonorrhoeae.
Figure 18.
Gonococcal Isolate Surveillance Project (GISP) — Percent of Neisseria gonorrhoeae isolates with decreased
susceptibility or resistance to ciprofloxacin, 1990–2000
Note: Resistant isolates have ciprofloxacin MICs > 1 µg/mL.
Isolates with decreased susceptibility have ciprofloxacin MICs
of 0.125 - 0.5 µg/mL. There were sixty-one (61) resistant isolates: one
in 1991, one in 1993, two in 1994, eight in 1995, two in 1996,
five in 1997, four in 1998, nineteen in 1999, and nineteen in 2000.
Susceptibility to ciprofloxacin was first measured in GISP in 1990.
Figure 19.
Gonococcal Isolate Surveillance Project (GISP) — Percent of men
with gonorrhea who had a previous gonorrhea infection, 1991–2000
*Data first collected in 1991.
**Data first collected in 1992.
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