RNA Viruses

Question 1

reoviruses

Answer 1

naked. Double Strand linear. 10-12 segments. icosahedral (double). Coltivirus* (colorado tick fever). Rotavirus (number 1 cause of fata diarrhea in children)

Question 2

Picornavirus

Answer 2

naked. SS positive sense linear. Icosahedral. Poliovirus. Echovirus/enterovirus: aseptic meningitis. Rhinovirus: common cold. Coxsackievirus: aseptic meningitis: herpangia (mouth blisters, fever); hand, foot, and mouth disease; myocarditis; pericarditis. HAV - acute viral hepatitis. PERCH

Question 3

Hepevirus

Answer 3

Naked. SS positive sense linear. Icosahedral. HEV

Question 4

Calicivirus

Answer 4

Naked. SS positive sense linear. Norovirus (viral gastroenteritis)

Question 5

Flaviviruses

Answer 5

Enveloped. SS positive sense linear. Icosahedral. HCV, yellow fever, Dengue, St. louis encephalitis, West Nile virus

Question 6

Togavirus

Answer 6

Enveloped. SS positive linear. Icosahedral. Rubella, Eastern equine encephalitis, Western equine encephalitis.

Question 7

Retrovirus

Answer 7

Enveloped. SS positive linear. HTLV (Icosahedral). HIV (complex and conical). Both have reverse transriptase. HTLV: T cell leukemia. HIV: AIDS

Question 8

Coronavirus

Answer 8

Envelope. SS positive linear. Helical. Coronavirus (common cold) and SARS

Question 9

Orthomyxovirus

Answer 9

Enveloped. SS negative linear, 8 segments. Helical. Influenza Virus (you get the influenza after the ortho)

Question 10

PaRaMyxovirus

Answer 10

Enveloped. SS negative linear. Helical. Parainflunza: croup (who parked my croup?). RSV bronchiolitis in babies, (Rx: Ribavirin). Measles. Mumps.

Question 11

Rhabdovirus

Answer 11

Enveloped. SS negative linear. Helical. Rabies

Question 12

Filovirus

Answer 12

Enveloped. SS negative linear. Helical. Ebola/Marburg hemorrhagic fever (often fatal)

Question 13

Arenavirus

Answer 13

Enveloped. SS negative circular, 2 segments. Helical.. LCMV: lymphocytic chriomeningits virus. Lassa fever encephalitis (spread by mice.

Question 14

Bunya (BOOYA! virus)

Answer 14

Envelope. SS negative circular 3 segments (I have 3 friends from california). California encephalitis, SANDfly/RIFT Valley fevers, Crimean Congo hemorrhagic fever*. Hantavirus hemorrhagic fever: pneumonia (deer mouse)

Question 15

Delta Virus

Answer 15

Envelope. SS negative circular. Uncertain capsid symmetry. HDV is a defective virus that requires HBV co-infection.