PUBHLTH 1 Lecture Notes - Lecture 90: Dietary Supplement, Blood Test, Eosinophil
Document Summary
Symptoms: fatigue, debilitating muscle pain, rashes, shortness of breath, blood test: high count of of white cells /eosinophils: toxic contamination recent change of production in one factory. 1981: madrid /spain similar to ems. More than 20 000 people/ more than 300 died. Households bought oil for cooking from salesperson (oil for industry purposes) Epidemiology is the study of the distribution and determinants of disease frequency in human populations. Other health outcomes injuries, risk factors. Count number of people with disease and relate to the population at risk (par) Par (is a denominator) may be total population or exposed population, or one gender. Disease frequency or age group; often comes from census: two ways to measure frequency: incidence number of new cases over a defined period of time prevalence number of existing cases at a specific time. Incidence is used for studying causes of disease. If causes or risk factors increase, incidence and prevalence increase.
