The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.
The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.
4091.mp3
Prueba de laboratorio que detecta anticuerpos para el VIH en la sangre. El sistema inmunitario responde al virus con la producción de anticuerpos contra ese virus.
