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 Bureau of Labor Statistics reports that the median pay for a flight attendant in 2012 was $37,240 per year. The earnings of an air hostess may vary based on experience, seniority and other factors. Continue Reading.