What Is Drug Resistance?Drug resistance occurs when a disease develops a defense to the mode of attack that a medication is using to fight it.
Imagine if you protect your house with a security system and then burglars learn how to hack into it. That’s resistance.All organisms are constantly evolving to deal with the stressors in their environment, and viruses can change at a disturbingly rapid pace.
HIV can create billions of copies of itself in a single day. In all of that replication, mistakes are occasionally made and passed along.