Since its discovery in 1928 by the Scottish scientist named Sir Ian Fleming, doctors have been prescribing penicillin to patients for the cure of everything from minor infections to life-threatening diseases. In medical terms, penicillin is classified as an antibiotic. An antibiotic is a chemical compound that inhibits or abolishes the growth of microorganisms such as bacteria, fungi, or protozoa. Over 100 different antibiotics are now available in the market. Although antibiotics are useful in a wide variety of infections, it is important to note that antibiotics only treat bacterial infections.
Perhaps, if he were alive today, it would surprise Sir Fleming to discover that the organisms that were wiped out by the first generation of penicillin that he developed had somehow made a comeback. Through research and disease surveillance, doctors and researchers have found that certain organisms were able to evolve and adapt defenses to some antibiotics. Once thought to have been conquered by penicillin, some strains of germs and other harmful organisms have become resistant to antibiotic. These organisms on the rebound have been called by scientists and other experts from...