For many centuries, pathogenic micro-organism (Viruses), were the leading causes of death in both developed and the developing nations of the world. These deaths resulted from exposure to organism that produced diseases such as Hepatitis, Acquired immune deficiency syndrome, Human papilloma virus, Ebola fever, Lassa fever, Hanta virus, Zika virus, Influenza and the most recently occurring one, the so-called latest, viral diseases of the millennium: Severe acute respiratory syndrome (Sars-Cov2), Middle east respiratory syndrome (Mers) and Novel Coronavirus (nCov-19). These diseases have for centuries ranked with war and famine as major threats and challenges to public health movement as well as progress and survival of human species. However, despite, the advances in science and technology prompt public control and preventive measures put in place by epidemiologist, public health practitioners as well as clinical laboratory scientists. Yet, the current catastrophic wide spread of the novel coronavirus nCoV-19, confirms that uncontrolled highly infectious diseases can still leave their mark on society.