In 1970, the number of HMOs declined to fewer than 40. Paul M. Ellwood, Jr., often called the father of the HMO, began having discussions with what is today the U.S. Department of Health and Human Services that led to the enactment of the Health Maintenance Organization Act of 1973.
How is Nutrient Broth (microbiology) abbreviated? NB stands for Nutrient Broth (microbiology). NB is defined as Nutrient Broth (microbiology) very rarely.
Medical microbiology is a branch of medicine concerned with the prevention, diagnosis and treatment of infectious diseases.In addition, this field of science studies various clinical applications of microbes for the improvement of health.There are four kinds of microorganisms that cause infectious disease: bacteria, fungi, parasites and viruses and one type of infectious protein called a prion.edical microbiology is a branch of medicine concerned with the prevention, diagnosis and treatment of infectious diseases.