Controlling the Spread of Infectious Disease (2.2.2) 0.0 / 5 ? BiologyHealth, illness and diseaseASOCR Created by: recoveranddiscoverCreated on: 22-08-15 12:55 What is epidemiology? The study of the occurrence, distribution and control of disease within populations and the best way to manage them. 1 of 10 What is an incidence rate? Number of new cases of a disease in a year as a proportion of the population size. 2 of 10 What is a prevalence rate? The number of current cases as a porportion of the population size at that time. 3 of 10 What is a mortality rate? The number of deaths from a particular disease in a year as a proportion of the population. 4 of 10 What is a notifiable disease? A disease, which if a patient has it, the GP must inform their local authority. 5 of 10 What are some notfiable diseases? Polio, cholera, food poisoning, measles, whooping cough. 6 of 10 What is the HPA? The Health Protection Agency is an independent body in the UK that protects the health and wellbeing of the population. 7 of 10 What is a major problem with viral diseases? They can form new strains due to random mutations in their DNA. 8 of 10 What research is done on influenza? To predict which strains of flu are most likely to spread each year. Immunisation programmes are then put in place. 9 of 10 What is the worry with avian flu virus? The virus will mutate so that it spread between humans. 10 of 10
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