Table 1. Estimates of the duration of symptomatic and asymptomatic infection with Neisseria meningitidis and Neisseria gonorrhoeae.

Pathogen	Carriage/asymptomatic	Disease/symptomatic
N. meningitidis	30 days	3–7 days
N. gonorrhoeae (estimates from Wieser & Thompson, 1980)	3–12 months (men)	3–45 days (men)
	3–6 months (women)	2–30 days (women)
N. gonorrhoeae (WHO estimates)	5–6 months (men)	2–3 weeks (men)
	6 months (women)	3–4 weeks (women)