What is the term for the process of becoming immune through the use of a vaccine or toxoid?

Dr. leung has been studying consistent trends in how males and females have selected their mates throughout the long history of humankind. dr. dauphine is most likely a(n) psychologist.

Why would one lymph node in the neck be swollen and not the other? what causes them to swell?

What is difference between an epidemic and a pandemic? a) an epidemic is a disease; a pandemic is a treatment.b) an epidemic is restricted to a local region; a pandemic is global.c) an epidemic has low mortality; a pandemic has higher mortality.d) an epidemic is caused by a bacterial infection; a pandemic is caused by a viral infection.