Streptococcus pyogenes / Group A Strep

Precautions

Droplet / Contact Precautions
Droplet / Contact Precautions

General Information

Pathogen information

Gram positive cocci in chains, beta-hemolytic

Epidemiology

Reservoir is human skin and oropharynx/mucous membranes, colonizes 10% in pharynx, more commonly children

Person-to-person transmission.

Associated syndromes

Most common manifestations tonsillopharyngitis ("strep throat") and skin infections (impetigo, erysipelas, cellulitis)

Invasive infections such as bacteremia, endocarditis, necrotizing fasciitis, meningitis, toxic shock syndrome, pneumonia, and other sterile space infections.

Post-infectious immunologically mediated phenomena such as glomerulonephritis and rheumatic fever.

Scarlet fever.

Additional Information

Wound infection/impetigo/cellulitis: Routine Practices if drainage can be contained by dressings otherwise Contact precautions until drainage resolved.

Necrotizing fasciitis, Myositis, Pneumonia: Droplet /Contact until 24 hours of appropriate antibiotic therapy received

Scarlet fever, pharyngitis: Droplet until 24 hours of appropriate antibiotic therapy received

Toxic Shock syndrome: Droplet /Contact until 24 hours of appropriate antibiotic therapy received

Invasive disease is notifiable - call Public Health and consult Infectious Disease. Post-exposure prophylaxis may be indicated.