>>Why would there be overcrowding and body lice?<<
Lice need warmth too. Only source available is the human body. Concentration camp survivors were de-liced by Allies before set free.
America pay attention to what stolen elections can bring. This winter, check your armpits for lice. Rub them with rubbing alcohol (isopropenol) and don’t strike matches during the process. Shave off the hair on your head.
Yes, but are the Dutch destined for concentration camps this winter? Why would they get lice just because their homes are under-heated?