For those who cannot imagine what it would be like getting an anal virus swab at an airport in China, a picture may help. . . https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcRhagYCedoI5Zcp7wiA0tXCvH9_V0ACLR5FAQ&usqp=CAU Cheers, PW.