Vaccinations Flashcards
state the 2 man methods of active immunity
natural infection & artificial immunisation
state the 2 main methods of passive immunity
transplacental transfer & artificial human antibody
what is the purpose of a vaccine
induce cell mediated immunity by administrating whole or part of an organism
what is meant by heard immunity
indirect protection of a population provided by the immunisation of a few
what is meant by a live attenuated vaccine
weakened live form of organism is administered to produce a natural response
what is meant by an inactivated vaccine
dead organism is administered
what vaccines contain egg components that people with egg allergy should avoid
yellow fever & flue
which serogroup of meningococcal diseases is the most serious
serogroup B
which vaccine is thought to give 70% protection against TB
BCG
list the travel-related vaccines
cholera yellow fever rabies hepatitis typhoid
define elimination of disease
reduction to zero incidence of a specified disease in a defined geographical area as a result of deliberate efforts; continues intervention measures are required
define eradication
permanent reduction to zero worldwide incidence of infection caused by a specific agent as a result of deliberate efforts; intervention is no longer needed
define extinction
specific infectious agent no longer exists in nature or in the lab
list the main contraindications to vaccines
acute illness
severe anaphylaxis to previous dose
fever greater than 39.5 within 48 hrs
immunocompromised children
is BCG a live or inactivated vaccine?
live
