UW Virology Newsletter

February, 2025

The flu season typically runs from fall to early spring, with peak activity occurring from December to February. During this time, influenza viruses are more prevalent, leading to a higher number of cases. Influenza A, which is the most common strain, along with Respiratory Syncytial Virus (RSV), has been on a significant uptrend in recent weeks. This rise in cases may be attributed to factors such as changes in weather, increased indoor gatherings, and the circulation of new viral strains. Both influenza A and RSV can lead to severe illness, particularly in vulnerable populations such as the elderly, young children, and those with weakened immune systems.

Refer to www.cdc.gov/coronavirus/2019-ncov for the most recent updates.

Ordering information available here: https://depts.washington.edu/uwviro/.

View the UW Virology COVID-19 Dashboard for up to date testing numbers.

Follow the area’s epidemiological data each week on the UW Virology web site at https://depts.washington.edu/uwviro/respiratory-viral-epidemiology-data/.

 
Community detections: January, 2025

PCR Positives:

Adenovirus – 11
BK Virus – 222
CMV – 347
Coronavirus – 38 (NOT 2019-nCoV)
EBV – 74
Enterovirus – 1
HHV6 – 31
HHV8 – 3
HSV – 64
Influenza A – 481

Influenza B – 24
JC Virus – 0
Metapneumovirus – 6
Monkeypox – 10
Parainfluenza – 14
Parechovirus – 2
Parvo B19 – 6
Rhinovirus – 43
RSV – 170
VZV – 19