| Acute or Chronic Infection? |
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Most EV's are acute and self-limited, but in rare cases can lead to chronic and persistent infections.
Gender may play a role, as many chronically infected patients are women.
Traumatic and stressfull events may contribute to immune suppression.
The following are primary factors which contribute to chronic infections.
- Enterovirus serotype
- Stress may be associated
- Human host (most at risk; newborns, elderly, female...etc)
- Variability of immune response
- Genetic make-up of host
- Additional co-factors may act on host
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| Acute and Chronic Diseases Associated with Enteroviruses |
Acute EV:
Aseptic Meningitits (EV 71, echoviruses)
Respiratory illness (most EV)
Hand-foot-mouth disease (CVA9, CVA 16)
Hemorrhagic conjunctivitis (EV70, CVA24)
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Chronic EV
Chronic Myocarditis (CVB)
Dilated Cardiomyopathy (CVB)
Chronic Fatique Syndrome/ PVFS (CVB, Echoviruses)
Fibromyalgia Syndrome (CVB, Echoviruses)
Poliomyelitis (Polio 1,2,3)
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