How do Bacteria become Resistant to Antibiotics?

Bacteria often become resistant through different kinds of mechanisms. One kind of mechanism is never confined to any specific class of antibiotics. Different resistance mechanisms are used in different bacteria to confront the same antibiotics. Prevention of Drug’s Entry, Driving out the drug, and altering or degrading the antibiotics are some of the examples of mechanisms of antibiotic resistance employed by bacteria. […]

emerging-re-emerging diseases

How Diseases are Emerging and Re-Emerging?

Fifty years ago people believed that the war of humankind against the infectious diseases was virtually over and science had won over infectious diseases. But, the belief was gone forever when they found that some traditional diseases were re-emerging and many new enemies were being identified. There are many factors such as climate changes, urbanization, population displacements etc., that are contributing to the emergence of diseases. […]