A Claas Lexion 460 fitted with a track conversion. The combine harvester, or simply combine, is a machine that combines the tasks of harvesting, threshing, and cleaning grain crops. The objective is the harvest of the crop; corn (maize), soybeans, flax (linseed), oats, wheat, or rye among others).
Meningococcal Vaccination Options. Menactra vaccine offer protection against 4 strains of meningococcal bacteria, but does not cover serogroup B. Bexsero which offers protection against meningococcal bacteria serogroup B. Together these two vaccines provide immunization for all of the known serotypes of Meningitis.
Two existing vaccines, Menactra and Menveo, prevent the other four types of bacterial meningitis and are currently recommended by the Centers for Disease Control and Prevention for all preteens and adolescents. Many schools and colleges require students to receive a meningitis vaccine before enrolling.