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CR - Resp Viruses (i) (intro (children bear heaviest burden (infants +…
CR - Resp Viruses (i)
intro
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URTIS = common cold, sinusitis, pharyngitis
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LRTIs = pneumonia, bronchitis, bronchiolitis
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pneumonia commonly caused by RSV, influenza, adenovirus
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Common cold
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variable presentation
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fever usually absent, not systemically ill
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self-limiting, symptomatic Tx
caused by a variety of resp viruses (corona, rhino, adeno)
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Parainfluenza virus
4 serotypes (1-4, with 4a + 4b)
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IPC
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droplet precautions
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gown, mask, gloves, goggles
Spread
direct
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influenza, rhino, adeno viruses
bacteria also spread this way (B pertussis, N meningitides, GAS)
indirect
touching a fomite (surface/object) contaminated with infectious droplets, + then toughing mouth/nose/eye (susceptible mucosal surfaces)
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