However, civil liberty concerns fundamental rights and freedoms that are guaranteed explicitly identified in the bill of rights and/or in a constitution. However, with civil liberty, individual privacy is protected and is placed at the forefront of public health law, as doctors must seek the individual's consent before conducting tests for PSA, HIV/AIDS, malaria, or any contagious disease while public health law uses the power of quarantine (if it exists) to control those behaviors which would place sexual partners, individuals or other persons who may be at risk of or traveling with a contagious disease to another