CMAJ reminds us that w/ parvovirus B19 infection, Arthropathy seen in ~60% of adolescents & adults, but the classic “slapped cheek rash” is uncommon. Symmetric, polyarticular inflamm arthralgias/itis affects PIPs, MCPS mostly. Sxs resolve w/in 3 wks. ~20% can last mos-yrs https://t.co/2SuL5igcnz