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.
All 11â12 year olds should be vaccinated with a quadrivalent (protects against serogroups A, C, W, and Y) meningococcal conjugate vaccine (MenactraÂ® or MenveoÂ®). A booster dose is recommended at age 16 years.here are three types of meningococcal vaccines available in the United States: 1  Meningococcal conjugate vaccines (MentactraÂ®, MenHibrixÂ®, and MenveoÂ®). 2  Meningococcal polysaccharide vaccine (MenomuneÂ®). 3  Serogroup B meningococcal vaccines (BexseroÂ® and TrumenbaÂ®).