Chapter 37: Rotavirus & Norovirus

Question 1

Describe Reoviridae (Rotavirus)

Answer 1

double layered capsid (some properties of enveloped virus during replication, but really a naked capsid), segments of ds RNA, it is symptomatic in children, but usually not adults.

Question 2

How is the rotavirus created

Answer 2

By genetic reassortment: causes nonhuman rotavirus strains to express human rotavirus antigens on their surface.

Question 3

Describe the two Rotavirus vaccines

Answer 3

1) RotaTeq- Live oral vaccine, contains 5 reassortant rotavirus.
2) Rotarix- Love oral vaccine, monovalent, live attenuated human vaccine strand.

Question 4

Describe Calciviridae (norovirus)

Answer 4

linear positive sense sing stranded RNA. Not developed.

Question 5

Describe the symptoms and treatment of Norovirus

Answer 5

contagious and usually food borne. short incubation period of 12-48 hours and usually lasts 24-60 hours. causes watery non bloody diarrhea. treatment is just to rehydrate.

Question 6

describe Adenovirus

Answer 6

not enveloped, double stranded linear DNA.

Question 7

Illness caused by Adenovirus

Answer 7

Respiratory illness- cold, pneumonia, croup.

Acute respiratory illness.