Corona virus is an infectious disease at the same time a contagious. The World Health Organization (WHO) defines an infectious disease as, “Infectious diseases are caused by pathogenic microorganisms, such as bacteria, viruses, parasites or fungi; the diseases can be spread, directly or indirectly, from one person to another. Zootoxic diseases are infectious diseases of animals that can cause disease when transmitted to humans”. It gets into the body and causes problems; some of them but not all infectious diseases spread directly from one person to another. N 95 Mask As Protection Against The Corona Virus Contagious diseases such as the flu, colds, or strep throat spread from person to person in several ways. One way is through direct physical contact, like touching or kissing a person who has the infection. Another way is when an infectious microbe travels through the air after someone nearby sneezes or coughs. [bs-quote quote=”Not all infectious diseases spread directly from one person to another.” style=”style-17″ align=”center” color=”#dd0000″ author_name=”Abdul Hafiz Khalid” author_job=”PhD. CHMM, RPIH is a Chemical Engineer/Industrial Hygienist.”][/bs-quote] A Bio-hazard: A biological hazard or a bio-hazard has the routes of exposure like this agent includes inhalation, ingestion, dermal or mucous membrane absorption may be accidental … Continue reading Corona Virus-19: An Understanding of the Production-number R0