Vaccine Flashcards
What is vaccine
A biological preparation intended to stimulate the immune system (produce T cells and produce antibody to B cells)
Is polio asymptomatic or symptomatic
Asymptomatic
To test polio , Jonas Salk do what
Clinical trials
The Salk vaccine is also called
Killed polio vaccine (KPV) or inactivated polio vaccine (IPV)
Why there was a small bump of rise in polio case after the vaccine being introduced?
Because there was a manufacturer didn’t follow the procedure to get the completely inactivated virus.
Attenuated (Oral) polio vaccine produced by who
Albert Sabin
Polio pandemic happens mostly in these two countries
Pakistan and Afghanistan
What family does HIV virus belong to
Retrovirus , have RNA as genetic material, not DNA as polio, etc.
Characteristics of polio
- Oral transmitted
- Cause muscle waste
- Mostly occur in children.
What is the life cycle of the virus? (simple)
- Attachment
- Penetration
- Uncoating
- Biosynthesis
- Assembly
- Release
What part of the life cycle virus that polio vaccine targets
- Uncoating (The vaccine will cross link protein, so the virus can’t release their genetic material).
There are still two smallpox labs in two places
- CDC (USA)
- Bektop (Russia)
What is the most interventions to save children’s lives and keeping adults, community healthy
Vaccines
What’s the risk of oral polio vaccine
- Live virus can cause paralytic poliomyelitis.
Types of vaccines?
- Attenuated vaccines
- Inactivated vaccines
- Subunit vaccines/DNA vaccines
- Toxoid vaccines