Data shown as of previous day at 2:30 p.m. PT. These dashboards show trends in Washington state for COVID-19, influenza (flu), and respiratory syncytial virus (RSV). The data on these dashboards help ...
Learn how to improve ventilation in homes, schools, and other buildings to prevent the spread of common respiratory viruses indoors. Increasing ventilation is not sufficient on its own for preventing ...
Decades of research have shown that air pollutants such as ozone and particulate matter (PM) increase the amount and seriousness of lung and heart disease and other health problems. More investigation ...
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