Spring is time of hope for what's possible. It is also sometimes a time when we see dead outs in our apiaires. It can be daunting to understand what happened. The Bee Inspector can be called to view dead outs. You can also take advantage of many resources below to help you understand what might have happened.
NY Bee Wellness Diagnostic Resources
Unless you have American Foul Brood (AFB) all woodenware can be reused. Some folks like to cull comb, sterilize hive bodies and even boil frames- Tips on Sterilizing Beekeeping Equipment can be found here.
Tips on good apiary hygiene can be found here