Circulating Pathogen Data

This page provides an overview of trends in the circulation of pathogens within our patient population, with percentage positivity presented over time. For further inquiries, please contact our laboratory director or data analysis specialist.  

Respiratory Pathogen Data

Respiratory Data - All Ages - 10/27/25
Figure 1: Percent positivity of respiratory pathogens identified from samples tested at the Johns Hopkins Hospital in 2025.

Respiratory Pathogen Data By Age Range

Positivity Rate (0-2 years old)

Respiratory Data - 0 to 2 - 10/27/25

Positivity Rate (3-18 years old)

Respiratory Data - 3 to 18 - 10/27/25

Positivity Rate (19-40 years old)

Respiratory Data - 19 to 40 - 10/27/25

Positivity Rate (41-64 years old)

Respiratory Data - 41 to 64 - 10/27/25

Positivity Rate (65 years and over)

Respiratory Data - 65 and over - 10/27/25

Gastrointestinal Pathogen Data

Gastrointestinal Data - All Ages - 10/24/25