Aims: An effective decontamination procedure of personnel wearing personal protective equipment is required by CBRN responders and healthcare workers when dealing with biological warfare agents or natural outbreaks caused by highly contagious pathogens. This study aimed to identify critical factors affecting the efficacy of peracetic acid (PAA)-based disinfectants and products containing either hydrogen peroxide or sodium hypochlorite under the same conditions. Methods and Results: The influence of concentration, application (contact) time, erroneous human behaviour, interfering substance, technical assets and weather conditions on disinfection efficacy against Bacillus subtilis spores were assessed in 14 experimental groups. Residual contamination of protective suits was measured to provide responders with readily understandable information (up to 100 colony forming units classified a suit as disinfected). Weather conditions, short application time and erroneous human behaviour substantially affected the effectiveness of PAAs (P < 0Á05). Non-PAA-based disinfectants (either liquid or foam) did not reach comparable efficacy (P < 0Á001). Conclusions: Peracetic acid was effective at a concentration of 6400-8200 ppm and an application time of 4 min. Significance and Impact of the Study: The study provides operationally relevant data for the use of PAA-based disinfectants in preparedness planning and management of biological incidents and natural outbreaks.
Background
The prevalence rates of the use of Complementary and Alternative Medicine (CAM) in allergy patients range from 42% in the United States up to 50% in Europe. In the Czech Republic, no such data exists. Our aim was to examine patterns in CAM use in populations with self-reported allergies in the Czech Republic.
Methods
A cross-sectional survey was conducted. A sample of citizens aged 15 years and older, sex, age, and region-stratified, was randomly selected from the 2014 voter registration lists (n = 8,395,132). Respondents with self-reported allergies were further analyzed.
Results
Overall, 93% of the respondents with self-reported allergies reported the use of 1 or more CAM modalities during the past 30 days. Herbal teas, relaxation techniques, a detoxifying diet, dietary supplements (excluding vitamins and minerals), and reflexology were used in respondents with allergies. Females, under age 30, with higher education, higher income, and self-reported poor health, were significantly associated with the use of CAM among respondents with allergies.
Conclusions
The prevalence of CAM use among people with self-reported allergies in the Czech Republic is higher compared to other countries, with determinants of CAM varying across specific CAM categories. More attention to existing use is needed to promote the healthy adoption of CAM by raising awareness of its safe and effective use, both for CAM users as well as for health care providers.
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