WorldPulse

BTN Influenza B detections

btn-flu-bHealth & Disease

Influenza (flu) type B positive specimens, WHO FluNet sentinel virology

Subject

BTN

Metric

Influenza B detections

Data Points

138

Coverage

2022–2026

Latest Value

40

as of Sep 21, 2026

Time Series (138 observations)

Recent Data

DateValueType
Sep 21, 202640-
Sep 7, 20262-
Aug 31, 20262-
Aug 24, 20266-
Aug 10, 20268-
Jul 20, 20261-
Jul 13, 20261-
Apr 13, 20261-
Apr 6, 20261-
Mar 16, 20262-
Mar 9, 20263-
Feb 16, 20263-
Feb 2, 20263-
Jan 12, 20264-
Dec 29, 20254-

Showing most recent 15 of 138 observations

Data Source

WHO_FLUNET

Category

API Access

# Fetch data by canonical code
GET /api/v1/timeseries/canonical/btn-flu-b

# With date filters
GET /api/v1/timeseries/canonical/btn-flu-b?start_date=2020-01-01

# Point-in-time reconstruction (Pro)
GET /api/v1/timeseries/canonical/btn-flu-b?as_of=2024-01-01