Health Officer briefed the Board on rising respiratory illnesses and RSV wastewater signals, noted measles case counts (U.S. and Washington totals cited), highlighted universal infant hepatitis B vaccination impacts, and reported an 83% compliance result from the Black Lake Pollution Identification and Correction project.

Tools to estimate the impact of vaccination campaigns at population level (number of events averted, number of avertable events, number needed to vaccinate). Inspired by the methodology proposed by Foppa et al. (2015) &lt;<a href="https://doi.org/10.1016%2Fj.vaccine.2015.02.042" target="_top">doi:10.1016/j.vaccine.2015.02.042</a>&gt; and Machado et al. (2019) &lt;<a href="https://doi.org/10.2807%2F1560-7917.ES.2019.24.45.1900268" target="_top">doi:10.2807/1560-7917.ES.2019.24.45.1900268</a>&gt; for influenza vaccination impact.

A study of 19 million adults in England reveals demographic and clinical patterns of long COVID, highlighting higher rates among women, middle-aged adults, and those with comorbidities, with vaccinati...