Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

The main prophylactic measures
HIV infection are: the of condoms in
sexual , not to share syringes
needles, careful handling of
medical and nosocomial
material, -to-date information about
the virus its mode of transmission.