im gonna type my notes for safety module on my blog.. haha.. so freakin lame i noe..
wth..
definition of infection
- the invasion of the body by pathogens(infectious agents) or micro-organism which is capable of causing diseases.
-it may or may not be contagious.
types of infection
- local-confined to one area
- systemic-spread around the body and can be fatal
- primary-an initial source of infection
- secondary-infected by another source of infection of micro-organism during the course of infection.
- acute-intense illness of short duration-from few hourse to few weeks-predictable for a specific diseases.
- chronic-ilness of long duration-from months to years.
clinical characteristics of an infection
- fever
- pulse and respiratory rate increased
- anorexia
- nausea
- vomitting
- headache
- apathy
- fatigue and general malaise
- fluches and hot appearance
- furred(white) and dry tongue
- enlarged and tender lymph nodes closed to site of infection
- rashes
- rigors and chills
- redness
- swelling
- pain
body defences against infection
- natural immunity
- acquired immunity
chain of infection
- infectious agent(virus)
- reservoir(place)
- portal of exit
- mode of transmission(thru airborne, water borne etc)
- portal of entry
- host
- and back to 1.
thats only lecture1.. and i too lazy to type the rest.. haha.. wth..