alleryStart learning →Droplet Precautions cover group A streptococcus for what period of treatment?
AThe first 6 hours of antimicrobial therapy
BThe first 12 hours of antimicrobial therapy
CThe first 24 hours of antimicrobial therapy
DThe first 72 hours of antimicrobial therapy
Answer & Solution
Correct answer: C. The first 24 hours of antimicrobial therapy
1. Agents named for Droplet Precautions include B. pertussis, influenza virus, adenovirus, rhinovirus and group A streptococcus.
2. For group A streptococcus the period given is the first 24 hours of antimicrobial therapy.
3. Treatment is what shortens the window, so the clock starts when therapy starts and not at admission.
4. Six and twelve hours fall short of the stated period, and 72 hours goes beyond it.
_Source: CDC Guideline for Isolation Precautions: Preventing Transmission of Infectious Agents in Healthcare Settings (2007), Part III, section III.B.2. Droplet precautions_
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