NEW He received treatment back on one of the flotilla of boats accompanying her . : She is unsure whether she should continue the swim . A shark entered the swimming area , but swam away . This is her third attempt to swim the 100 miles from Cuba to Florida . Her first attempt , in 2004 , was cut short by bad weather and strong currents .
NEW : She is unsure whether she should continue the swim . A shark entered the swimming area , but swam away . This is her third attempt to swim the 100 miles from Cuba to Florida . Her first attempt , in 2004 , was cut short by bad weather and strong currents .