What is H1N1 and H5N1? What is the difference between the two?

Many dental offices prefer preset trays because the use of these trays or what

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.

Difference between health care and modern health care