Respiratory Infection Statistics

November–December 2023

Respiratory Infection Statistics
November–December 2023
Read Document

Summary Comments

  • Most frequently detected viruses in December (all age groups):
    • Rhino/Enterovirus: 24.6%
    • Rhinovirus: 16.7%
    • Parainfluenza 1–4: 8.1%
    • SARS-CoV-2: 7.86%
  • Epidemiological Week 1–52:
    • SARS-CoV-2: Stable at ~7.9% in week 52
    • Influenza A: Slight increase from 0.7% (week 49) to 1.9% (week 52)
    • Influenza B: Peaked at 11.1% (week 46), declined to 7% (week 52)

Respiratory Viral Multiplex PCR and SARS-CoV-2 PCR: All Age Groups

November 2023:

  • Rhino/Enterovirus: 30.4%
  • Rhinovirus: 25.2%
  • Parainfluenza 1–4: 8.6%
  • SARS-CoV-2: 6.8%
  • Influenza A: 2.6%
  • Influenza B: 2.8%
  • Adenovirus: 6.5%
  • RSV: 1.0%
  • Coronavirus (non-SARS-CoV-2): 2.5%
  • Metapneumovirus: 9.1%

December 2023:

  • Rhino/Enterovirus: 24.6%
  • Rhinovirus: 16.7%
  • Parainfluenza 1–4: 8.1%
  • SARS-CoV-2: 7.86%
  • Influenza A: 1.9%
  • Influenza B: 1.4%
  • Adenovirus: 7.5%
  • RSV: 1.6%
  • Coronavirus (non-SARS-CoV-2): 2.7%
  • Metapneumovirus: 8.1%

Atypical Bacterial Pathogens (Weeks 1–52)

Detected Cases:

  • B. pertussis: 601 cases
  • M. pneumoniae: 1,683 cases (peak: week 25, 72 cases)

B. pertussis Age Distribution:

  • 0–6 months: 25%
  • 6–12 years: 23%
  • 1–5 years: 19.5%

18 years: 23%

M. pneumoniae Age Distribution:

  • 1–5 years: 38%
  • 6–12 years: 29%

Paediatric Respiratory Viral Multiplex PCR Data (Ages 0–12)

<1 Year Age Group

November 2023:

  • Rhino/Enterovirus: 45%
  • Rhinovirus: 29%
  • Parainfluenza 1–4: 13.6%
  • Adenovirus: 11.7%
  • RSV: 3.4%
  • SARS-CoV-2: 9.3%
  • Influenza A: 4.3%
  • Influenza B: 0.2%
  • Coronavirus: 3.2%

December 2023:

  • Rhino/Enterovirus: 36.2%
  • Rhinovirus: 25.5%
  • Parainfluenza 1–4: 11.8%
  • Adenovirus: 11.7%
  • RSV: 4%
  • SARS-CoV-2: 11.8%
  • Influenza A: 5.8%
  • Influenza B: 0.5%
  • Coronavirus: 3.3%

1–5 Year Age Group

November 2023:

  • Rhino/Enterovirus: 52%
  • Rhinovirus: 40%
  • Adenovirus: 15.6%
  • Enterovirus: 15.3%
  • SARS-CoV-2: 14.7%
  • Influenza A: 17.3%
  • Influenza B: 0.8%
  • RSV: 2.4%
  • Coronavirus: 10.9%

December 2023:

  • Rhino/Enterovirus: 43.6%
  • Rhinovirus: 28.2%
  • Adenovirus: 15.6%
  • Enterovirus: 15.3%
  • SARS-CoV-2: 14.6%
  • Influenza A: 15.3%
  • Influenza B: 1.1%
  • RSV: 3%
  • Coronavirus: 10.1%

6–12 Year Age Group

November 2023:

  • Rhino/Enterovirus: 33.9%
  • Rhinovirus: 34.9%
  • Influenza B: 18.2%
  • SARS-CoV-2: 3.7%
  • Influenza A: 3.8%
  • Adenovirus: 6.1%
  • RSV: 0.4%
  • Coronavirus: 6.7%

December 2023:

  • Rhino/Enterovirus: 29%
  • Rhinovirus: 13.3%
  • Influenza B: 12.9%
  • SARS-CoV-2: 3.4%
  • Influenza A: 1.3%
  • Adenovirus: 6.1%
  • RSV: 0.6%
  • Coronavirus: 6.7%

Highlights by Age Group (December 2023)

  • <1 year:
    • Rhino/Enterovirus (36.2%), Rhinovirus (25.5%), Parainfluenza 1–4 (11.8%), Adenovirus (11.7%)
  • 1–5 years:
    • Rhino/Enterovirus (43.6%), Rhinovirus (28.2%), Adenovirus (15.6%), Enterovirus (15.3%)
  • 6–12 years:
    • Rhino/Enterovirus (29%), Rhinovirus (13.3%), Influenza B (12.9%)