Basic Comparisons

Question 1

What are the Flaviviruses (subclass and class)

Answer 1

Hepatitis C (hepacivirus)
The rest are Arbovirus
St. Louis Envephalititis Virus
West Nile Virus
Yellow Fever Virus
Dengue Virus

Question 2

What are the Togavirus?

Answer 2

Rubella
Two Arbovirus:
Western Equine Encephalitis Virus
Eastern Equine Encephalitis Virus

Question 3

Compare the symptoms of...
St. Lois Encephalitis
West Nile Virus
Yellow Fever Virus
Dengue Virus

Answer 3

• *Both: St. Lois Encephalitis and West Nile Virus cause Fever, Malaise, Encephalitis, paralysis, coma, and death
• *Yellow Fever Virus causes: fever, Nausea, Jaundice, hemorrhage, Black Vomit
• *Dengue Virus causes: fever, headache, muscle and joint pain, rash… if hemorrhagic kind then vomit blood, hemorrhage, and shock

Question 4

Which Arbovirus have a vaccine?
What Kind of vaccine?
How long does immunity last?

Answer 4

Only Yellow Fever.
Live attenuated
Lifelong immunity

Question 4

What are some viruses that are passed parinatally (blood at birth)?
What are some viruses that are passed transplacentally?

Answer 4

Pari: HPV, HIV, Herpes 2, Hepatitis B and C
Trans: Parvo B19, Rubella, Cytomegalovirus, Lymphocytic choriomeningitis virus

Question 5

Name Enveloped or Not...
Flavivirus
Togavirus
Parvovirus
Herpesvirus
Papovirus
Retrovirus

Answer 5

Name Enveloped or Not...
Flavivirus Enveloped
Togavirus Enveloped
Parvovirus Non-Enveloped
Herpesvirus Enveloped
Papovirus Non-enveloped
Retrovirus Enveloped

Question 6

Name Nucleic Acid Structure...
Flavivirus
Togavirus
Parvovirus
Herpesvirus
Papovirus
Retrovirus

Answer 6

Flavivirus: +ssRNA
Togavirus: +ssRNA
Parvovirus: ssDNA linear
Herpesvirus: dsDNA linear
Papovirus: circular dsDNA
Retrovirus: +ssRNA, 2 identical copies

Question 7

What are the +ssRNA viruses?

Answer 7

Flavirvirus
Togavirus
Retrovirus 2 identical copies

Question 8

What are the dsDNA virus?

Answer 8

Herpesvirus: dsDNA linear
Papovirus: dsDNA circular

Question 8

What are the ssDNA virus?

Answer 8

Parvovirus: ssDNA linear

Question 10

What are the Papoviruses?

Answer 10

Papilloma Virus (HPV)
JC Virus

Question 11

What are the retroviruses?

Answer 11

Oncovirus (Human T-cell Leukemia Virus 1 and 2 HTLV)

Lentivirus HIV 1 and 2

Question 12

Flavivirus...
Envelope?
Nucleic Acid?
Viron Structure?
Transmission?

Answer 12

Enveloped
+ssRNA
Icosohedral
Blood borne (arbo flavi are through animal/bug vector. Hep C is human to human)

Question 13

Togavirus...
Envelope?
Nucleic Acid?
Viron Structure?
Transmission?

Answer 13

Enveloped
+ssRNA
Icosohedral
Eastern and Western Equine are transmitted by blood via animal/bug vector
Rubella is airborne or Mother to fetus through placenta

Question 14

Parvovirus
Envelope?
Nucleic Acid?
Viron Structure?
Transmission?

Answer 14

Non-enveloped
linear ssDNA
Icosohedral
airborne or trans-placental

Question 15

<p>

| Herpes Envelope? Nucleic Acid? Viron Structure? Transmission?</p>

Answer 15

<p>
Enveloped Linear dsDNA Icosohedral 1) saliva 2) sexual and perinatal 3 VZV) airborne and skin contact 4 EBV) saliva and airborne 5) CMV) nasopharyngeal fluid, sexual fluids</p>

Question 16

Papovirus
Envelope?
Nucleic Acid?
Viron Structure?
Transmission?

Answer 16

Non-enveloped
HPV is circular dsDNA, but only has 10 genes, so relies on host proteins
JC virus is circular dsDNA
Icosohedral
HPV is direct and sexual contact and perinatal
JC is aerosol

Question 17

Retroviruses
Envelope?
Nucleic Acid?
Viron Structure?
Transmission?

Answer 17

Enveloped
\+ssRNA 2 identical strands
idk structure, edit if you know
Sexual contact, breast milk, blood
HIV is also transmitted through transplacental and perinatal