Respiratory Infection Statistics

September–October 2024

Respiratory Infection Statistics
September–October 2024
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Summary Comments

  • Most frequently detected viruses during October (all age groups):
    • Rhino/Enterovirus: 28.2%
    • Rhinovirus: 23.1%
    • Metapneumovirus: 10.1%
  • Epidemiological Week 1–44:
    • SARS-CoV-2: Stable over the last 4 weeks
    • Influenza A: Peaked at 43.6% in week 20, declined to 1.2% in week 44
    • Influenza B: Peaked at 26% in week 31, declined to 1% in week 44
    • RSV: Peaked at 27.8% in week 13, declined to 1% in week 44

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

September 2024:

  • Rhino/Enterovirus: 27.5%
  • Rhinovirus: 23.1%
  • SARS-CoV-2: 7.5%
  • Metapneumovirus: 10.4%
  • Parainfluenza 1–4: 9.3%
  • Adenovirus: 3.1%
  • Influenza A: 2%
  • Influenza B: 1.2%
  • RSV: 1.7%

October 2024:

  • Rhino/Enterovirus: 28.2%
  • Rhinovirus: 23.1%
  • SARS-CoV-2: 7.5%
  • Metapneumovirus: 10.1%
  • Parainfluenza 1–4: 10.1%
  • Adenovirus: 2.9%
  • Influenza A: 1.2%
  • Influenza B: 1%
  • RSV: 1.7%

Atypical Bacterial Pathogens (Weeks 1–44)

Detected Pathogens:

  • B. pertussis, M. pneumoniae, C. pneumoniae
  • 1 case of Legionella pneumophila in October

Age Distribution:

Bordetella pertussis:

  • 0–6 months: 16%
  • 6–12 months: 7%
  • 1–5 years: 30%
  • 6–12 years: 19%
  • 13–18 years: 2%
  • 19–64 years: 18%

65 years: 8%

Mycoplasma pneumoniae:

  • 0–6 months: 2%
  • 6–12 months: 6%
  • 1–5 years: 26%
  • 6–12 years: 30%
  • 13–18 years: 3%
  • 19–64 years: 24%

65 years: 4%

Chlamydia pneumoniae:

  • 0–6 months: 2%
  • 6–12 months: 3%
  • 1–5 years: 46%
  • 6–12 years: 31%
  • 13–18 years: 8%
  • 19–64 years: 14%

65 years: 1%

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

<1 Year Age Group

September 2024:

  • Rhino/Enterovirus: 40.7%
  • Rhinovirus: 42.1%
  • Parainfluenza 1–4: 17.6%
  • Metapneumovirus: 14%
  • SARS-CoV-2: 10.7%
  • Adenovirus: 13.5%
  • Influenza A: 0.9%
  • Influenza B: 0.7%
  • RSV: 3.6%

October 2024:

  • Rhino/Enterovirus: 42.1%
  • Rhinovirus: 35.0%
  • Parainfluenza 1–4: 17.5%
  • Metapneumovirus: 14%
  • SARS-CoV-2: 11.3%
  • Adenovirus: 7.8%
  • Influenza A: 1.1%
  • Influenza B: 0.4%
  • RSV: 0.3%

1–5 Year Age Group

September 2024:

  • Rhino/Enterovirus: 48.6%
  • Rhinovirus: 35.8%
  • Adenovirus: 19.2%
  • Parainfluenza 1–4: 15.6%
  • SARS-CoV-2: 11.5%
  • Enterovirus: 18.1%
  • Influenza A: 1.2%
  • Influenza B: 0.6%
  • RSV: 1.1%

October 2024:

  • Rhino/Enterovirus: 48.6%
  • Rhinovirus: 35.1%
  • Adenovirus: 19.2%
  • Parainfluenza 1–4: 15.6%
  • SARS-CoV-2: 10.7%
  • Enterovirus: 16.6%
  • Influenza A: 2.9%
  • Influenza B: 0.6%
  • RSV: 0.3%

6–12 Year Age Group

September 2024:

  • Rhino/Enterovirus: 40.4%
  • Rhinovirus: 36.1%
  • Influenza B: 25.4%
  • SARS-CoV-2: 7.0%
  • Adenovirus: 6.2%
  • Parainfluenza 1–4: 7.3%
  • RSV: 0.4%
  • Influenza A: 0.8%

October 2024:

  • Rhino/Enterovirus: 42.8%
  • Rhinovirus: 37.7%
  • Influenza B: 3.1%
  • SARS-CoV-2: 8.1%
  • Adenovirus: 7.3%
  • Parainfluenza 1–4: 3.4%
  • RSV: 0.3%
  • Influenza A: 0.7%

Key Age Group Highlights (October 2024):

  • <1 year:
    • Rhino/Enterovirus (42.1%), Rhinovirus (35%), Parainfluenza 1–4 (17.5%), Metapneumovirus (14%)
  • 1–5 years:
    • Rhino/Enterovirus (48.6%), Rhinovirus (35.1%), Adenovirus (19.2%), Parainfluenza 1–4 (15.6%)
  • 6–12 years:
    • Rhino/Enterovirus (42.8%), Rhinovirus (37.7%)
    • Influenza B declined from 25.4% in September to 3.1% in October