There are certain chemicals, used in computer cleaning that could really affect your health... You may have inhaled some of it... Or due to physical contact to the technician it could have penetrated your skin... Effects on your vowel, or digestive tracts could be triggered by these chemical...
You had no sexual contact with the technician, unless you have a unremembered incident of rape... It is also posible that he used another chemical to put you to sleep and you woke unconcious... (chloroform)
Better have a doctor to check on this...

clayfigur@yahoo.com