Viruses Part 1.3 ( Viral Taxomony, RNA section ) Flashcards
What are the 9 Single stranded RNA viruses?
Picornaviridae
Togaviridae
Coronaviridae
Orthomyxoviridae
Flaviviridae
Retroviridae
Paramyxoviridae
Rhabdoviridae
Filoviridae
What is a slogan that can help me remember the 9 single stranded RNA ?
Pico
Took
Corona
Outside
For
Retro
Party
Rhinestone
Finals
What are the 4 things to help classify if it’s a picornaviridae?
(What is it, shape, naked or envelope, positive or negative?)
Single stranded rna
Isosahedral
Naked viruses
Positive sense
What does pico mean in picornaviridae?
Very small
What are the viruses that fall under picornaviridae? (4)
Polio virus
Coxsackievirus
Enterovirus ( hepatitis A )
Rhinoviruses (common cold)
What is the enteroviruses in picornaviridae?
Hepatitis A virus (HAV)
What does rhinoviruses mean for picornaviridae?
Common colds
What is the difference between hepatitis A and hepatitis B virus ?
They are different because hepatitis A is Rna and hepatitis B is DNA
How do you get hepatitis A ? Verse hepatitis B?
Fecal contamination
Hepatitis B - sex & blood
What are the 4 things to help classify if it’s a togaviridae?
(What is it, shape, naked or envelope, positive or negative?)
Single stranded RNA
Isosahedral
Enveloped
Positive
What does toga mean in togaviridae?
Cloaked or enveloped
How is togaviridae transmitted?
Through mosquitoes ( athropods )
What are the viruses that fall under togaviridae? (2)
Arbovirus
Rubiviruses ( rubella )
What does arbovirus cause for togaviridae?
Encephalitis
What does rubiviruses causes for togaviridae ?
Rubella ( German measles )
What makes German measles so dangerous?
Abnormalities in a fetus, when a pregnant woman is infected
What are the 4 things to help classify if it’s a coronaviridae?
(What is it, shape, naked or envelope, positive or negative?)
Single stranded rna
Isosahedral
Enveloped
Positive sense
What are the viruses under coronaviridae?(4)
Sars-cov
MERS-coV
Sars-cov2
Common cold
Is sars-cov more deadlier than Sars-cov2?
Yes
What is the diseases for Sars-cov2?
Covid 19
( the virus is SARS-cov2, while the disease is covid 19 )
How did Covid-19 come to be? Where did it come from and how was it transmitted?
Came from wuhan China
Zoonotic - bats
Transmitted through person to person & air droplets
( 6 feet distance )
What are the symptoms of covid?
Fever
Chills
Loss of taste and smell
What symptoms make covid 19 stand out more than influenza?
The fact that you can lose your taste and sense of smell
What was the limited experiment treatments before vaccines ? And what was the name of the oral pill?
Using monoclonal antibody infusion
Oral pill molnupiravir
How many licensed vaccines are there for covid?
6
What are the 3 FDA approvals vaccines for covid & are they mRNA, describe each one?
Pfizer - mRNA
Moderna - mRNA
Johnson & Johnson - viral vector
What are the 3 types of covid vaccines?
mRNA, viral vector, killed viruses
What is the name of the vaccine for covid that kills the virus?
Chinese vaccines
What are the 4 things to help classify if it’s a orthomyxoviridae?
(What is it, shape, naked or envelope, positive or negative?)
Single stranded rna
Helical
Enveloped
Negative sense
What is the virus that falls under orthomyxoviridae?
Influenza
(A, B, C)
What is the difference between negative sense and positive sense?
Positive - mRNA immediately
Negative - complemtary strand, to make mRNA
If we have a piece of RNA, and wanna make another piece of RNA, what is the enzyme transcribed?
RNA dependent RNA polymerase
Do we ever make rna from rna in cells? If not, what do we do?
Nope we never do, instead we use DNA to make RNA In cells
( called transcription)
How many segmented strands are in influenza virus for Orthomyxoviridae? ( and are segmented in what? )
8 helical strands segmented in capsid
What is the most common influenza type?
A