Sti cross word puzzle

1234567
Across
  1. 2. spread the virus from one person to another (8 letters).
  2. 3. of immune cell targeted by HIV (3 letters).
  3. 4. perception of people with HIV/AIDS (6 letters).
  4. 7. taken to prevent HIV infection (4 letters).
Down
  1. 1. and education about HIV/AIDS (9 letters).
  2. 2. consisting of antiretroviral therapy (3 letters).
  3. 3. of infections that occur when the immune system is weakened (13 letters).
  4. 5. that causes AIDS (3 letters).
  5. 6. stage of HIV infection (4 letters).