Cholera-like diarrhea and shock associated with community-acquired methicillin-resistant Staphylococcus aureus

Allison Agwu1, Ken M Brady, Tracy Ross

  • 1Division of Pediatric Infectious Disease, Johns Hopkins University School of Medicine, Johns Hopkins Bloomberg School of Public Health, 615 North Wolfe Street, Room w5041, Baltimore, MD 21205, USA.

Insights

A severe case of Influenza A in a 14-year-old girl led to rapid death. This was associated with Panton-Valentine leukocidin-positive Staphylococcus aureus (CA-MRSA) infection.

Area of Science:

  • Infectious Diseases
  • Microbiology
  • Critical Care Medicine

Background:

  • Influenza A virus is a significant cause of respiratory illness.
  • Community-associated Methicillin-Resistant Staphylococcus aureus (CA-MRSA) can cause severe invasive infections.
  • Co-infections can complicate disease presentation and outcomes.

Observation:

  • A 14-year-old female presented with severe watery diarrhea, vomiting, and hypotension.
  • The patient rapidly progressed to shock, multiorgan system failure, and death.
  • No initial respiratory prodrome was noted.

Findings:

  • Influenza A virus was detected in the nasopharynx.
  • A Panton-Valentine leukocidin (PVL)-positive CA-MRSA strain (USA400) was isolated from a tracheal aspirate.
  • The CA-MRSA strain carried genes for PVL (pvl), mecA, and enterotoxins (sea, sec, seh).

Implications:

  • This case highlights a rare and aggressive presentation of co-infection with Influenza A and PVL-positive CA-MRSA.
  • The combination of viral and bacterial pathogens may lead to rapid deterioration and fatal outcomes.
  • Understanding such synergistic infections is crucial for timely diagnosis and management in critical care settings.

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