A gram-negative diplococcus, is the causative agent for Gonorrhea

gram-negative diplococcus Gonorrhea

Gynecologic Infections

 Gonorrhea

ETIOLOGY

 

Neisseria gonorrhoeae, a gram-negative diplococcus, is the causative agent for this disease.

 

Incidence

Has been decreasing since ,1975; fewer than 119 cases/100,000 in 2015.

Most commonly reported communicable disease in United States; more than 330,000 reported cases in 2015>, which represents approx­imately one half of new infections.

 

Prevalence

Urban sexually transmitted disease (STD) clinics, 10% to 30% of cases.

Female family planning clinicg, 0.5% to 5% of cases.

Female private doctor’s office, of cases.

Of all female infections, 75% occur in age group 15 to 24 years.

Transmission

By sexual contact

Most efficiently by vaginal or anal intercourse

Risk

Male to female: 80% to 90%

Female to male: 20% to 25%

Risk markers

Homosexual male: 10 times greater incidence

Unmarried

Urban residence

Lower socioeconomic status

Illicit drug use

Prostitution

Previous gonorrhea

No contraception or use of nonbarrier methods

Nonwhite race

Incubation period

Short

Urethritis, 2 to 5 days

Cervicitis, 5 to 10 days

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