Immunity Lab

Study of Disease

the casue of disease

disease causing organisms

spread from one host to another driectly or indirctly

easily spread from one host to another (flu)

not spread from one host to another (tetanus)

subjective changes that are not observable

The _________ of a disease is the number of people in a population who devlop a disase during a particular time period

The _____________of a disease is the number of people in a population who develop a disease at a specifc time regardless of when it first appeared.

Only occur occasionally

condtantly present within a population

occur when many people in a given are acquire a certian disease with in a relatively short time frame

worldwide epidemics

develops rapidly but lasts only a sort period of time

devlops more slowly but is more likely to be continual or recurrent for long periods of time

causeitive agents remains inactive for a period of time

host devlops antibodies to own tissues

Resivor of infection

Inanimate objects such as toobrushes

Contact Transmission 3ways??
Direct indirect droplet

Vehicle transmission

vectors

nosocomial infections