There are four main viruses of clinical significance in the herpes virus family. The viruses are never eliminated from the human body and after the primary infection can recur due to precipitating factors. […]
Unlike bacteria, viruses cannot survive outside a living organism. They can only live and multiply inside host cells. They are the smallest microbes and were first seen through the electron microscope that was invented in 1931. […]
The DTP vaccine is developed to fight against three infectious diseases in humans: diphtheria (D), tetanus (T), and bordetella pertussis (P). The harmful toxins produced by the pathogens can affect adults and infants alike. In some cases, chances of contracting a disease is more in children. This vaccine helps boost the immunity of the human body against these diseases. […]
Bacteria can be both harmful and helpful to humans. Pathogens in the human body can cause diseases that can prove fatal. […]
The human body contains innumerable types of bacteria. These microorganisms can help humans directly; for example, E. coli. However, not all bacteria are beneficial for humans. These harmful bacteria are known as pathogens. […]
The beginning of the 20th century faced an outbreak of epidemic proportions caused by the polio virus. This virus mostly affects young children and infants and can cause severe damage to their nerves that can lead to paralysis, and in some cases death. […]
The invention of a microscope was a major breakthrough in the field of medical science. It enabled scientists and biologists to determine the microorganisms and germs that accelerated the spread of infectious diseases. […]
Human history has witnessed several epidemics that have changed the course of medicine, leading to innovative treatments. People have become more aware of infectious diseases and realized that an outbreak can have serious repercussions on a global level. […]
People and scientists have always looked for effective cures for the common cold. Two of the less popular ways, suggested by some scientists, are taking zinc and vitamin D, but these may really not cure a cold. […]
There is no definite cure for the common cold yet, but the most common cure for a cold is having soup. It is an old method and looks like an inseparable part of cold remedies, but its efficacy has been put to test in some research studies. […]
© The Teaching Company, LLC. All rights reserved.