Hello i have a brother in law who is 82 . He got home to Canada from Austia after he got home , a few days later his leg turned red to the knee, he wnet out side one day and his legs gave out on him and he fell, when people picked him up he still could not use his legs, the redness has moved down his legs, he is able to walk, he did go to the hospital and they put him on anti biatics and took blood tests AAAA