NEW : She is deciding whether she can continue the swim . The swimmer has been in a coma for more than two weeks and doctors have said that her chances of survival are slim. This is her third attempt to swim the 100-plus miles from Cuba to Florida . Her first attempt , in 1978 , was cut short by bad weather and strong currents .
NEW : She is deciding whether she can continue the swim . A shark approached the swim area , but swam away . This is her third attempt to swim the 100-plus miles from Cuba to Florida . Her first attempt , in 1978 , was cut short by bad weather and strong currents .