Most sore throats are caused by colds, the flu, coxsackie virus or mono (mononucleosis). Bacteria that can cause pharyngitis in some cases: 1  Strep throat is caused by group A streptococcus.  Less commonly, bacterial diseases such as gonorrhea and chlamydia can cause sore throat.
Do you need a doctor's referral for an appointment? Some specialty areas at Mayo require a doctor's referral, and some do not. Most insurance plans require a referral from a plan doctor in order to get access to Mayo Clinic. You should check with your insurance company or your doctor prior to seeking care at Mayo.
Interview experience: I applied online at Frontier Airlines. It asked if I knew of a Frontier employee who could give me a referral, and I entered his email address.Within a week, I got an email asking me to attend a 4-hr interview on 11/18. Everyone at the event (there were 150 or so) were invited due to a Frontier referral.They had 2 sessions that day (300 people total) - one morning and one afternoon. After a one-hr presentation, we were broken into groups of 25 and went into a classroom type setting.veryone at the event (there were 150 or so) were invited due to a Frontier referral. They had 2 sessions that day (300 people total) - one morning and one afternoon. After a one-hr presentation, we were broken into groups of 25 and went into a classroom type setting.