TABLE B.1 Characteristics of Enteric Viruses (Bennett et al. 1987)

Virus Group

1985 Reported Cases

Mortality Rates (%)

Levels in Sewage/L

Diseases

Enterovirus:

Poliovirus

6,000,000

7

0.001

10

182-92,000

Paralysis

Aseptic meningitis

Coxasackievirus

A

 

 

 

Herpangina

Aseptic meningitis

Respiratory illness

B

 

 

 

Paralysis fever

Pleurodynia

Aseptic meningitis

Pericarditis

Myocarditis

Congenial heart anomalies

Nephritis

Echovirus:

 

 

 

Respiratory infection

Aseptic meningitis

Diarrhea

Pericarditis

Myocarditis fever, rash

Hepatitis A  Virus

48,000

0.6

5101

Infectious hepatitis

Reovirus

 

 

1-1,247

Respiratory disease

Gastroenteritis

Adenovirus

10,000,000

0.01

100-100,000

Acute conjunctivitis

Diarrhea

Respiratory illness

Eye infection

Rotavirus

8,000,000

0.01

401

Infantile gastroenteritis

Norwalk agent (probably a calcivirus)

6,000,000

0.0001

 

Gastroenteritis

Astrovirus

 

 

 

Gastroenteritis

Calcivirus

 

 

 

Gastroenteritis

Snow Mt. Agent (probably a calcivirus)

 

 

 

Gastroenteritis

Norwalk-like virus

 

 

 

Gastroenteritis

Non-A, Non-B Hepatitis

50,000

0.4

 

Hepatitis



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