In order to assess the seroprevalence of Borrelia burgdorferi in Romania and to define associated risk factors, a cross-sectional, observational study was performed in 13 districts during 1999. Sera from healthy blood donors (1,598) and from forestry workers (1,048) were tested. A two-step testing strategy was used in which sera were tested for anti-B. burgdorferi antibodies by a commercially available passive hemagglutination assays (PHA). All PHA positive sera were then evaluated by Western blot IgG. Demographic data regarding age, sex, profession, work place/residence, duration of employment (forestry workers), animals in the environment, and tick bites history were collected using a questionnaire. Data obtained from serological study were matched with that obtained from the questionnaire. The seroprevalence of B. burgdorferi in blood donors was of 4.3% (range 1.4-8.7%) and 9.3% (range 2.8-31.7%) in forestry workers. Seroprevalence was higher in forestry workers with a tick bite history (10.7 vs. 4.3%, p < 0.05). The highest seroprevalence in blood donors (8.7%) was noted in Maramures, a northern district of the country, whereas in forestry workers the highest seroprevalence (31.7%) was observed in a western district (Arad), where a previous study in entomology has demonstrated the highest density of Ixodes ricinus ticks in Romania.
Six hundred and twenty-four Vibrio cholerae O1 strains, 623 serotype Ogawa and one serotype Inaba, isolated in Romania between 1977-95 were tested to detect all changing traits concerning serogroup, serotype, biotype, phage type and resistotype patterns and subsequently, the possible epidemiological relationship among these strains. Biotyping revealed one classical, 580 eltor strains and 43 intermediary variants. When tested with Mukerjee phages, 546 (87%) strains were sensitive and 78 (13%) resistant. One phage type (M4) dominated during 1977-90, two phage types (M4 and M5) exhibited the same high frequencies during 1991, a diversity of types occurred during 1993-4 whereas in 1995, two phage types (M4 and M5) showed similar distributions again. Five patterns of drug susceptibility were successively described during 1977-95. The most prominent changes in Vibrio cholerae O1 strains were noticed during 1993-4: the highest number of non-typable strains and intermediary variants, the widest spectrum of phage types and of multidrug resistance. In 1995, the strains reverted to the previous typable forms but a new drug resistance pattern was noticed.
The aim of this study was to measure dental office compliance with current Romanian infection control regulations. A questionnaire was completed and returned from 61 randomly selected offices (32 private and 29 public with 94 dentists), where the sterilizers were also biologically monitored. Results indicated that with few exceptions, infection control practices in public and private offices were the same, with compliance on sterilising reusable instruments. Private offices monitored their sterilizers more frequently and had much newer equipment. Gowns were universally worn, but use of gloves, masks and protective eye-wear showed non-compliance with less than 10 per cent of the offices using personal protective equipment for all patients. Cost was the deciding factor. Predominant environmental disinfectants were alcohol and bleach. Offices were in compliance as to the use of disposable anaesthetic needles and carpules. Dentists reported reluctance to be vaccinated against hepatitis B even when offered free immunizations (6.4 per cent) and only 18.1 per cent of dentists had received any infection control training in the last three years. Results indicate that offices were in compliance for most national regulations. However, there are no recently published standards for dentistry in Romania concerning disinfectants or continuing education. Comparison with the literature indicates comparable compliance with recommended national infection control procedures for Romanian dentists as for dentists in other countries.
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