9-Viruses Transmitted by Fecal Oral Route

Question 1

In infants what is the most common cause of severe gastroenteritis in the US and the world?

Answer 1

Rotavirus

Question 2

In Rotavirus who has the most severe disease?

Answer 2

Children 3-36 months

Question 3

What does Rotavirus induce?

Answer 3

cholera type diarrhea

Question 4

Evidence that a viral protein of Rotavirus acts as an …

Answer 4

enterotoxin (like cholera toxin)

Question 5

What is the Rotavirus vaccine?

Answer 5

attenuated viral vaccine - recommended as part of childhood immunizations

Question 6

What percentage of Picornavirus-Poliovirus infections are asymptomatic?

Answer 6

72-90%

Question 7

About 1% of Picornavirus-Poliovirus infections had …

Answer 7

paralytic poliomyelitis

Question 8

What type of vaccine is the oral polio vaccine, that is no longer used in the US?

Answer 8

attenuated virus

Question 9

What type of vaccine is the Inactivated Polio Vaccine, that works well at preventing polio?

Answer 9

whole killed virus

Question 10

What is the first sign of Hand Foot and Mouth Disease?

Answer 10

oral and pharyngeal ulcerations

Question 11

What is the main cause of Hand Foot and Mouth Disease?

Answer 11

Coxsakie A

Question 12

What is a less common version of Hand Foot and Mouth Disease, found endemically in East and Southeast Asia, can have severe neurologic complications?

Answer 12

Enterovirus 71 (EV71)

Question 13

EV71 cases of Hand Foot and Mouth Disease can have complications of: (4)

Answer 13

Meningitis, Encephalitis, Paralysis, and Death

Question 14

These lesions are similar to Hand Foot and Mouth Disease, but limited to the posterior of the oral cavity. There is no involvement of the rest of the body. Also caused by Coxsakie A.

Answer 14

Herpangina

Question 15

What is one of the major causes of infectious myocarditis, starts as respiratory infection but can on rare occasions cause myocarditis?

Answer 15

Coxsakie B virus

Question 16

What is the respiratory infection, that can be severe, and is linked to polio-like paralysis?

Answer 16

Enterovirus 68 (EV68)

Question 17

What is a picornavirus, but it cannot be transmitted by the fecal/oral route, and low pH’s inactivate the virus?

Answer 17

Rhinovirus

Question 18

Rhinovirus prefers to grow at … which makes it ideal for the …

Answer 18

33 degrees; URT

Question 19

Rhinovirus is the major cause of what?

Answer 19

the common cold

Question 20

What is the major route of Rhinovirus infection?

Answer 20

hand to face