HIV=Human Immunodeficiency Virus. There are no reliable signs or symptoms of HIV infection. The only way a person can know if they are infected is to get tested.
No you can't get HIV. You can only get HIV by having sex with someone with HIV, sharing the same drug needle with someone with HIV, or any other fluid contact. However, it is possible to be infected...
The likelihood of transmission from mother-to-child has been reduced to less than 2% when the mother and baby are treated with anti-retroviral medications.