Which virus causes purpura of the hands and feet?

Parvovirus B19 may cause the purpuric gloves and socks syndrome.

Harel L, Straussberg I, Zeharia A, et al: Papular purpuric rash due to parvovirus B19 with distribution on the distal extremities and face, Clin Infect Dis 35:1558–1561, 2002.