I suggest you stock up on food and cache it appropriately. That is but one of the lessons in Leviticus 25-26 by the way.
Seriously. A handgun works fine against an army, but without logistical preparation, it won't last against this enemy. IMO, this enemy is perfectly fine with using weaponized smallpox.
Yeah... Considering how many of us are former .mil and other related backgrounds... I think we’d be bringing a bit more to the Party than just a handgun.
Just waiting for them to pop smoke.