VIRAL INFECTIONS OF URS
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COMMON COLD CAUSATIVE AGENT
Rhinovirus (100 or more types)
SIGNS AND SYMPTOMS OF COMMON COLD
Signs & Symptoms: Scratchy throat, nasal discharge, malaise, headache, cough.
PARTHENOGENESIS OF THE COMMON COLD
Pathogenesis: upper respiratory specific, prolific reproducers – cell damage produces the nasal discharge and histamine reactions; infection stopped by interferon, cell-mediated, and humoral immunity
EPIDEMIOLOGY OF THE COMMON COLD
inhalation of droplets, direct contact (transfer of mucous)
TREATMENT OF THE COMMON COLD
None. Prevention: handwashing and avoidance.
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