Normal Flora of the Human body

18 December 2021 Normal Flora of the human body is the various bacteria and fungi that are permanent residents of certain body sites. Microorganisms that live on another living organism (human or animal) or inanimate objects without causing any harm are called normal flora. The term Human Microbiome is often used to describe the normal flora of … Continue reading Normal Flora of the Human body


November 15, 2021 Viruses are the most abundant biological entities on earth and they outnumber all the others put together. There are billions of Viruses. They infect all life forms, animals, plants, fungi, and even bacteria and Archaea. The viruses that infect plants are harmless to animals and most viruses that infect other animals are … Continue reading Viruses

Sterilization and Disinfection

November 13, 2021 Microorganisms are found everywhere. They spoil food, and cause diseases, so it is necessary to kill them or inhibit their growth to minimize their destructive effects. Disinfection and sterilization are needed in healthcare and hospitals, during surgical procedures, in microbiology, in the food industry, and in public health services such as providing … Continue reading Sterilization and Disinfection

DPT Vaccines (Diphtheria, Pertussis, Tetanus)

November 13,2021 DTP vaccine was licensed in 1949 and has been widely used since then. It virtually eliminated Diphtheria and Tetanus and has greatly reduced the number of pertussis cases. DPT vaccine is a combination vaccine that provides protection against three infectious diseases, Diphtheria, Pertussis (Whooping cough), and Tetanus. The vaccine has Diphtheria and Tetanus … Continue reading DPT Vaccines (Diphtheria, Pertussis, Tetanus)