Of 64 carbenicillin-resistant Pseudomonas aeruginosa strains 40 transferred this resistance to Escherichia coli. R factor RP-638 isolated from Ps. aeruginosa strain 638 conferred resistance to ampicillin, carbenicillin, kanamycin, neomycin and tetracycline.
A comparative evaluation of reagin tests (Wassermann, VDRL, RPR) and fluorescent treponema antibody absorption tests (FTA-ABS) performed on blood specimens from 5 271 persons (2 493 pregnant women, 1 130 apparently healthy prospective employees, 1 345 newborn babies and 303 leprosy patients) showed that 17,2% of the pregnant women, 11,95% of the prospective employees, 19,0% of the newborn babies, and 27,2% of the leprosy patients gave positive reactions in one or more of the tests.
Swabs containing pus from urethral discharges obtained from 55 male patients attending venereal disease clinics were transported in Stuart's transport medium or RTF (reduced transport fluid) and then cultured on Thayer-Martin plates.
The in vitro and in vivo haematological effects of puffadder (Bitis arietans) venom in the baboon (Papio ursinus) with regard to its effect on coagulation, fibrinolysis and platelet aggregation were studied.