Transmission is prevented
by: improving hygiene,
using contraception, Spread via direct Pathogens are
vaccination, destruction contact, airborne microorganisms
of infected plants/animals microorganisms, that cause disease
r
indirect contact
(e.g. through
infected surfaces)
and contaminated
Memory cells remain -
food and drink
if pathogen re-enters
body, it is recognised Communicable
Triggers an immune
and destroyed quickly diseases
response
Contains Vaccination
dead/attenuated
version of pathogen
Protects those
unable to receive
vaccinations
COMMUNICABLE
Herd immunity
DISEASES
Non specific
defences: skin, nose,
trachea/ bronchi, Defences
stomach
against
disease
by: improving hygiene,
using contraception, Spread via direct Pathogens are
vaccination, destruction contact, airborne microorganisms
of infected plants/animals microorganisms, that cause disease
r
indirect contact
(e.g. through
infected surfaces)
and contaminated
Memory cells remain -
food and drink
if pathogen re-enters
body, it is recognised Communicable
Triggers an immune
and destroyed quickly diseases
response
Contains Vaccination
dead/attenuated
version of pathogen
Protects those
unable to receive
vaccinations
COMMUNICABLE
Herd immunity
DISEASES
Non specific
defences: skin, nose,
trachea/ bronchi, Defences
stomach
against
disease
