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Decrease of hospital- and community-acquired bloodstream infections due to Streptococcus pneumoniae and Streptococcus

Rishma Amarsy1, Sandra Fournier2, David Trystram3

  • 1Groupe hospitalo-universitaire APHP.Nord-Université de Paris, Site Lariboisière et Fernand Widal, Infection Prevention and Control Team and CIMI-Paris, Inserm U1135, Sorbonne Université, Paris, France.

American Journal of Infection Control
|September 17, 2022
PubMed

Insights

COVID-19 lockdowns significantly reduced bloodstream infections (BSIs) from Streptococcus pneumoniae and Streptococcus pyogenes in Paris hospitals. Containment measures likely lowered the incidence of these bacterial infections.

Area of Science:

  • Infectious Diseases
  • Epidemiology
  • Public Health

Background:

  • Bloodstream infections (BSIs) pose a significant health risk.
  • Streptococcus pneumoniae and Streptococcus pyogenes are common causes of BSIs.
  • The COVID-19 pandemic introduced unprecedented public health interventions.

Purpose of the Study:

  • To evaluate the impact of COVID-19 containment policies on BSIs caused by Streptococcus pneumoniae and Streptococcus pyogenes.
  • To analyze trends in BSIs incidence during pandemic-related lockdowns.

Main Methods:

  • Retrospective analysis of BSIs data from 25 university hospitals in Paris.
  • Comparison of monthly BSIs incidence rates for 2018, 2019, and 2020.
  • Assessment of BSIs trends during COVID-19 lockdown periods.

Main Results:

  • Monthly BSIs incidence rates for Streptococcus pneumoniae and Streptococcus pyogenes remained stable in 2018-2019.
  • A notable decrease in BSIs incidence for both pathogens was observed during the 2020 COVID-19 lockdown periods.
  • Containment measures were associated with reduced BSI rates.

Conclusions:

  • Public health interventions during the COVID-19 pandemic, such as social distancing and masking, likely contributed to the reduction in BSIs.
  • These findings highlight the effectiveness of non-pharmaceutical interventions in controlling bacterial bloodstream infections.
  • Further research can explore sustained implementation of these measures for infection control.

Keywords:
Bloodstream infection incidenceCOVID-19Streptococcus pneumoniaeStreptococcus pyogenes

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