keto twenty one Why them, since we have a well-developed and functional immune system during this period of life? Intensification of social contacts is crucial. Both teenagers and young adults spend a lot of time in peer groups. They learn, relax and have fun together. They share sandwiches, drink from one bottle, kiss new partners more and more. This is how they pass on meningococci (every fourth teenager carries these bacteria). The reason for the increased risk of illness can also be susceptibility to infection during puberty and the properties of the bacterium itself.Incidence at IChM in age groupsAuthor: Invasive meningococcal disease http://www.throwedpresents.com/