Common anxiety disorders are: generalised anxiety disorder (GAD)panic disorder.obsessive-compulsive disorder (OCD)phobias.post-traumatic stress disorder (PTSD)
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Scientists are creating vaccinations that prevent people from getting bird flu. If the virus mutates, a new vaccine needs to be made. The vaccine needs to be tested, which can be dangerous. It also takes a long time for scientists to know whether the vaccine works.
Answer:
D. Wally ensures that unauthorized people do not enter the healthcare facility.
Explanation:
