(n.) That branch of science which treats of epidemics.
Example Sentences:
(1) Consensual but rationally weak criteria devised to extract inferences of causality from such results confirm the generic inadequacy of epidemiology in this area, and are unable to provide definitive scientific support to the perceived mandate for public health action.
(2) The epidemiology of HIV infection among women and hence among children has progressively changed since the onset of the epidemic in Western countries.
(3) Subtypes of HBs Ag are already of great use in the epidemiology of hepatitis B virus infections; yet they may have additional significance.
(4) Because of the dearth of epidemiological clues as to causation, studies with experimental animal models assume greater importance.
(5) Epidemiological studies on low risks involve a number of major methodological difficulties.
(6) The purpose of this paper is to discuss the potential for integrating surveillance techniques in reproductive epidemiology with geographic information system technology in order to identify populations at risk around hazardous waste sites.
(7) The clinical and epidemiological aspects of these 35 cases are discussed.
(8) We present a mathematical model that is suitable to reconcile this apparent contradiction in the interpretation of the epidemiological data: the observed parallel time series for the spread of AIDS in groups with different risk of infection can be realized by computer simulation, if one assumes that the outbreak of full-blown AIDS only occurs if HIV and a certain infectious coagent (cofactor) CO are present.
(9) Schistosomal obstructive uropathy was studied by clinical, laboratory epidemiologic and pathologic analysis in 155 Egyptian patients treated surgically.
(10) The epidemiological effectiveness of dipyridamol, an interferon-inducing agent used for the prevention of influenza and viral acute respiratory diseases, was tested in 4 epidemiological trials, 3 of them carried out as double blind trials.
(11) Studies of diarrhoeal disease have been limited mainly to descriptive epidemiological investigations.
(12) This preliminary study estimates the occurrence of concurrent helminth infection in Africa and Brazil to determine whether such an approach is justified epidemiologically.
(13) This method can characterize reliably flavivirus field isolates at the molecular level without extensive virus propagation and molecular cloning, and will be a valuable tool for molecular epidemiological studies.
(14) In this series, the association between the anomalous ductal insertion and biliary tract disease cannot be established, since the method of patient selection obviates any epidemiologic consideration.
(15) This may help explain the poor correlation of low-back pain with radiographic degenerative changes reported in previous epidemiologic studies.
(16) Nevertheless, they are still being widely used, since in most cases only the epidemiology of the disease points to the etiologic role of A. cantonensis.
(17) However, the epidemiology and clinical course of AIDS are different in Africa and in the West.
(18) The author formulates possible approaches to the solution of the information problem in epidemiology.
(19) As yet there is no evidence that the occurrence of savanna flies in the rain forest zone of Liberia was of epidemiological significance.
(20) A 12-month epidemiological survey of attacks of acute myocardial infarction was carried out in a large urban population.
Etiology
Definition:
(n.) The science of causes. Same as /tiology.
Example Sentences:
(1) The evidence suggests a multifactorial etiology for this problem.
(2) Coronary arteritis has to be considered as a possible etiology of ischemic symptoms also in subjects who appear affected by typical atherosclerotic ischemic heart disease.
(3) In this study, the role of psychological make-up was assessed as a risk factor in the etiology of vasospasm in variant angina (VA) using the Cornell Medical Index (CMI).
(4) Valvular stenoses of the bronchi and especially of the bronchioles in various types of primary pulmonary disease are of considerable importance etiologically.
(5) These tumors may nonetheless be etiologically related as indicated by the pattern of laboratory abnormalities, especially immunologic, in affected as well as unaffected members.
(6) However, it has been suggested that vasoactive gastrointestinal peptides are involved in the etiology of postprandial BP reduction.
(7) The diagnosis of "autism" has been used to encompass a heterogeneous group of children who may differ in etiology, clinical manifestations, prognosis, and needed treatment.
(8) Neither environmental nor bacteriological factors seemed to be involved in the etiology of the disease.
(9) Authors demonstrate the possibility of the tuberculous etiology of the cellulitis.
(10) By the GN of non-streptococcal etiology, AA's to the BLSE apparently of other specificity are obtained in some cases, in spite of the absence of antibodies to A-PS.
(11) Although not common, the disorder is the most frequently diagnosed disturbance of porphyrin metabolism in many countries, and further insight into its unusual pathogenesis may clarify the hepatotoxic effects of the 4 etiologic agents.
(12) Vulvovaginal inflammations and infections in the premenarchal child are caused by a large number of etiologic agents.
(13) Although this operational classification does not produce etiologically homogeneous groups, it is believed to have pragmatic utility with respect to planning targeted surveillance and management strategies.
(14) The etiology, diagnosis and surgical treatment of stenosing tenosynovitis of the peroneal tendons is presented.
(15) The etiology of the panvasculitis still remains a mystery.
(16) The lymphoproliferative disease virus (LPDV) of turkeys is the retroviral agent of etiology of a rapidly developing, naturally occurring, lymphoproliferative process.
(17) Sarcoidosis is a disease of unknown etiology with protean manifestations.
(18) However, the compatibility ratio of the audiovisual stimulation penogram type 2B was markedly low (35%) and this group had complicated etiologies, including many more psychogenic than organic causes.
(19) Injuries due to fellatio must be considered as an etiological factor to hemorrhagic changes of the oral mucosa, and with a positive history, patients can be spared from other investigations.
(20) Nevertheless, they are still being widely used, since in most cases only the epidemiology of the disease points to the etiologic role of A. cantonensis.