$FL2@(#) SPSS DATA FILE MS Windows Release 10.0.5 spssio32.dll  Y@21 May 0116:41:17 X Immunologic status Y Time since exposure  Ðÿÿÿÿÿÿïÿÿÿÿÿÿÿïþÿÿÿÿÿïÿ çlhmfgskjiklghpjmguhoü