Chapter 14- Vaccines Flashcards
What is active immunity
Your body creating immunity from having had the disease or a vaccine
What are vaccines
They contain either:
A live attenuated for of the virus or bacteria (MMR, BCG)
An inactivated virus (flu jab)
Detoxified toxins (tetanus)
Extracts from the microbe (hep b)
What vaccine provides the most durable immunity
Live attenuated vaccines
How long do inactivated vaccines last
From months to years
May require boosters
Who should avoid live vaccines
Immunosuppressant patients
Pregnant women
What route are vaccines never given through
IV
What’s vaccine should HIV+ patients not receive
BCG
Influenza nasal spray
Typhoid
Yellow fever
What’s passive immunity
When immunity is acquired immediately by obtaining antibodies from a person with active immunity to the disease
What duration of immunity is longer active or passive?
Active
What are antiserums and immunoglobulin
Antiserums- antibodies from animals
Immunoglobulin- antibodies from humans
When should vaccines be postponed
If the person is suffering from an acute illness
Not necessary to postpone immunisation in patients with minor illness without fever or systemic upset
Which 2 vaccines should not be administered at the same time, what happens should you leave?
MMR and yellow fever
4 week interval
What neurological problems can occur with vaccines
An increase risk of febrile convulsions where there is a personal or family history
(Not contraindicated)
How long after taking a high dose corticosteroid or immunosuppressive drug can you have a live vaccine
3 months after your last dose of high dose CCS
6 months after stopping immunosuppressive drug
Common side effects st of active immunity
Discomfort at injection site
Mild fever
Malaise