Please select the conclusions of studies comparing the health of germ-free animals to the health of animals with a normal complement of microbiota. Check All That Apply A.Normal microbiota are a source of some vitamins.Normal microbiota are a source of some vitamins. B.Normal microbiota contribute to dental caries and periodontal disease.Normal microbiota contribute to dental caries and periodontal disease. C.Normal microbiota contribute significantly to infertility in women.Normal microbiota contribute significantly to infertility in women. D.The presence of normal microbiota can prevent some pathogens from becoming well-established.The presence of normal microbiota can prevent some pathogens from becoming well-established. E.Normal microbiota are necessary for development and maturation of the nervous system.Normal microbiota are necessary for development and maturation of the nervous system. F.Normal microbiota contribute to the development and maturation of the immune system. 2.Please select the correct statements regarding the tracking of infections and diseases. Check All That Apply A.Some diseases are considered "reportable" and reporting to health departments is mandatory. B.Some diseases are considered "reportable" and reporting to health departments is mandatory. C.Disease tracking involves compiling lists of names of individuals with certain diseases and publishing these so they can be consulted by the general public. D.Disease tracking involves compiling lists of names of individuals with certain diseases and publishing these so they can be consulted by the general public. E.Disease statistics are maintained at the local, state, and national levels.Disease statistics are maintained at the local, state, and national levels. F.The national repository of disease statistics in the U.S. is the Center for Disease Control and Prevention.The national repository of disease statistics in the U.S. is the Center for Disease Control and Prevention. G.Disease statistics are published in the Morbidity and Mortality Weekly Report(MMWR) which can only be accessed by health care professionals.