Table 6. Shows key test in the differentiation of the virdidans streptococci. Most species can only be identified to viridans species group. The VP test aids in the identification and differentiation of the viridans streptococcal species and is a key reaction for the S. anginosus group.
Air Traffic Controller Salary. The average pay for an Air Traffic Controller is $84,815 per year. Experience has a moderate effect on income for this job. $38,929 - $148,967.
The median annual wage for airline pilots, copilots, and flight engineers was $127,820 in May 2016. The median wage is the wage at which half the workers in an occupation earned more than that amount and half earned less.