OBJECTIVES

To Define Antibiotic Resistance.
To Discuss Various Factors Affecting Antibiotic Resistance

Antibiotic & Antibiotic Resistance
• Antibiotic: any of various chemical substances,produced by various microorganisms, esp. fungi, or made synthetically and capable of destroying or inhibiting the growth of microorganism.
• People may exhibit allergic reactions to antibiotics, but they are not resistant to them. It is the bacteria themselves, not the infected host, which become resistant.
Antibiotic Resistance
 Antibiotic …

Viruses are the smallest obligate intracellular infectious agents containing only one type of nucleic acid, either DNA or RNA as their genome. They are Living Chemicals.
Virus differ from bacteria in that they are:
1. much smaller
2. lack the enzyme necessary for synthesis of protein and nucleic acid
3. do not have cellular organisation or ribosomes
4. do not divide by binary fission or grow in inanimate media
5. possess …

Waterborne diseases

Cause of Waterborne Disease

Waterborne diseases are caused by pathogenic microorganisms which are directly transmitted when contaminated drinking water is consumed. Contaminated drinking water, used in the preparation of food, can be the source of foodborne disease through consumption of the same microorganisms. According to the World Health Organization, diarrheal disease accounts for an estimated 4.1% of the …