Implantation and success replication of an organism in the tissue of the host resulting infection.
Carrier
An individual who harbors the organism and is capable of transmitting it to a susceptible host without showing manifestations of the disease.
Concurrent
Method of disinfection done immediately after the infected individual discharges infectious materials/secretions.
Terminal
Patient no longer the source of infection.
Done after the patient is discharge from the hospital to prepare the room for the next patient.
Habitat
Place where an organism lives or where an organism is usually found.
Epidemiology
Foundation of preventing disease.
Occurence and disturbance of disease as well as the distribution and determinants of health states of events in specified population and application of this study to the control of health problems.
Consists of three components
-Host,agent,environment
Epidemiology triangle/triad
Host- any microorgamism that harbors amd provide nourishment for another organism.
Agent-intrinsic property of microorganism to survive and multiply in the in the environment to produce disease.
Environment-external conditions and influence that affect the development of an organism can be-biological,social physical
Causative agent
Any microbe capable of producing a disease.
Can be bateria,spirochete,virus,riketssia,chlamydiae,fungi,protozoa amd parasites
Modeoftransmission
Easiest link to break the chain of infection
Most common mode of transmission
Direct contact
Person to person tranafer of organism.
Indirect contact
May third party
Ex. Si Silling may HIV tapos gumamit ng dildo and si ampyang naman nakita niya and ginamit niya ng hindi niya hinugasan.
Susceptible person comes in contact with a contaminated object/vectors/fomites.
Droplet spread
Transmission through contact with respiratory secretions when the infected person coughs, sneeze or talk.
Limited within 3 feet.
Airborne Transmission
Transmission can be more than 3 feet.
Fine microbial particles or "DUST" particles containing microbes remain suspended in the air for a prolonged period.
Vehicle Transmission
Transmission of infectious disease through articles or substance that harbor the organism until it is ingested or inoculated into the host.
Vector-borne Transmission
Intermediate carriers such as fleas, flies and mosquitoes transfer the microbes to another living organism.