MBIOS 101 1nd Edition Lecture 37 Outline of Last Lecture - Lines of Defense1. Diagnostics2. Signs and Symptoms3. Tests Outline of Current Lecture – 1. Epidemiology 2. Terms 3. Agencies4. Examples5. Stages of disease Current Lecture – Viruses1. Epidemiology a. Study of disease in a population (humans, animals, plants)2. Terms a. Epidemic: a spike in the number of cases in a particular area i. Ex. The flu is usually an epidemic b. Endemic: Low levels of illness always there in the population i. Ex. Rabies c. Sporadic: cases pop up here and there i. Ex. West nile virus (one case in WA and another in Texas)d. Pandemic- an outbreak that has gone worldwide 3. Agencies associated with epidemiology a. CDC- Center for Disease Control b. USDA – United States Department of Agriculture c. FDA – Food and Drug Administration 4. Public Health a. Multiple levels- Local, regional, stateb. Deal with policy, vaccines, nutrition, education, and inspection These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.c. Make rulings about particular cases- if camps should be shut down, etc. 5. Some Disease are mandated that if there is a case of them they have to be reporteda. Antraxb. Botulismc. Malariad. Measles e. Plaguef. Tularemiag. Many more6. Stages of a disease a. Image attached below7.8. When looking at a disease it is important to look at several factorsa. Incubation period: the time from which the person obtains the disease and starts showing symptoms b. Signs and symptoms of the disease c. Decline phase of the disease9. Example- Measles a. Signs and symptoms: rash, fever, weepy eyes, coughb. Incubation period: 10-12 daysc. Causative agent: rubeola virus d. Starts in the respiratory tract and spreads to
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