PubMed · 3274128
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F M Cañadillas, J J Ochoa, L Pardo, M Ramos. [Olive pickers' paralysis].. https://pubmed.ncbi.nlm.nih.gov/3274128/
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OBJECTIVES: To estimate the risk of exposure to Coxiella burnettii among 'at risk' workers in Ireland. METHODS: A cross-sectional seroprevalence study, using the complement fixation technique (CFT), was carried out among technical and support staff of the Department of Agriculture in Ireland (n = 375). Participants were divided into low- (n = 34), moderate- (n = 158) and high-risk (n = 83) groups according to the likelihood of occupational exposure. A result of <1:8 on CFT was accepted as normal, i.e. no evidence of past exposure to the causative organism, C. burnettii. Participants with titres of 1:16 were clinically assessed for evidence of past or present infection and interviewed regarding the possibility of non-occupational exposure. RESULTS: The participation rate was 75% (n = 281). Overall, 24 of the 281 participants (8.5%, 95% confidence interval = 5.6-12.4%) tested positive (titres = 1:8). No statistically significant difference existed between the three groups (low, 8.8%; moderate, 9.5%; high, 7.2%). Of those reviewed (n = 10), no evidence of either past or present clinically significant illness was detected. Possible non-occupational exposure was identified in two cases. CONCLUSION: Laboratory evidence of past exposure to Q fever is common amongst readily identifiable 'at risk' occupational groups in Ireland, and appropriate preventative steps are warranted. Employees who do not have direct exposure to animals or animal products, but who work in a high risk environment appear to have a similar risk of exposure C. burnettii. Although clinical illness appears to be rare, health care workers should consider the possibility of Q fever in cases of unexplained illness arising in those working in 'high risk' environments.
For the implementation of the Framework Council Directive 91/414/EEC, participation of all member states (MS) is required. In the first round of the review program of plant protection products, Mediterranean countries have successfully performed their proportional work share for the central registration of the active substances and the national registration of the respective plant protection products. However, some issues of risk assessment, related to appropriate estimation of exposure, still require further refinement and adaptation to the Mediterranean conditions. Issues related to the estimation of agricultural worker exposure to plant protection products due to different agronomic practices and conditions, identified shortcomings in the consumer risk assessment related to different habits of the Mediterranean population and different needs of Mediterranean agriculture will be discussed. Finally, the possible effects of the Directive 91/414/EEC upon the plant protection of Mediterranean countries, due to the withdrawal from the market of a wide range of plant protection products is also a parameter that has to be considered.