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SUMMARY Forty-two male patients with ano-genital warts were randomly allocated to a singleblind study of cryotherapy versus electrocautery. There was no significant difference in the success rates of these two forms of treatment in patients followed for three months. Cryotherapy was qualitatively much more acceptable to the patients than electrocautery. It seems particularly suited to patients with widely scattered warts who are unable to attend for regular treatment.

Summary. Yeasts were isolated from two or more anatomical sites in 198 women attending genitourinary clinics on at least two occasions. The yeast biotypes isolated concurrently from the vagina and urethra were the same in 138 (99%) of 140 instances, and 94% of 124 concurrent genital and anal isolates were of matching types, whereas only 75% of concurrent genital and oral isolates were of the same type. Mixtures of Candida spp. or C. albicans biotypes were encountered only five times among 545 yeast-positive samples. In instances where Candida spp. were isolated at successive times from the same site in a patient, the same yeast type was encountered on 97 (87%) of 112 occasions when the interval between samples was less than 15 weeks, and on 19 (66%) of 29 occasions when the interval was 15 weeks or more. These data indicate a tendency to carriage of phenotypically consistent types of Candida among most women attending genitourinary clinics.

SUMMARY One hundred and forty male patients with ano-genital warts were randomly allocated to a double-blind study of 100%o and 25%7o podophyllin in tincture of benzoin compound. One hundred and nine patients attended for a three-month period of surveillance. Only 24 (22%o) patients were free of warts after having podophyllin treatment alone, 12 each after treatment with 1007o and 25%7o podophyllin. There was no significant difference in the number of applications needed with each treatment. Neither hypersensitivity nor chemical ulceration occurred.

A rapid serodiagnostic test for the presumptive diagnosis of chlamydial infection of the cervix has been developed. The method used is based on the modified micro-immunofluorescence test using pooled chlamydial antigens and the detection of different immunoglobulin classes of chlamydial antibody in sera and cervical secretions. The presence of IgG chlamydial antibody at a level of 1/64, or IgM antibody at a level of 1/8 or greater, or both in sera and IgG or IgA antibody at a level of 1/8 or more or both in cervical secretions was closely associated with the isolation of Chlamydia trachomatis and non-specific genital infection. In general, serodiagnosis was three to nine times more sensitive than cultural methods, and the detection of IgG chlamydial antibody in cervical secretions alone provided the most sensitive of the serological tests. This sensitive, low-cost, rapid, and simple serodiagnostic test for the presumptive diagnosis of chlamydial infection of the cervix, coupled with transportation of specimens by post, offers advantages over conventional isolation techniques for the routine diagnosis and management of chlamydial genital infections.