A retrospective of the deadly 2022–2023 flu year and the importance of vaccination, hygiene, and how to make it through the next year safely. — For Washington state, the 2022–2023 flu year was the deadliest in the past 5years. 261 people died from the flu: 256 adults and 5 children. Nationwide, between 19,000 and 56,000 people died, with as many as 640,000 people hospitalized. This is a very sad loss for many families across the…