Looking at the transmission pattern is shown here, identify the virus that has caused one of the most frightening epidemics of the twenty first century. 
Definitions:
Space Invasion
A situation in which one person enters another person’s personal or intimate space.
Personal Intrusion
Unwelcome or invasive interference in someone's personal life or space.
Sales Presentation
A detailed pitch or demonstration aimed at promoting a product or service to potential buyers by highlighting its benefits and value.
Social Space
A conceptual area or environment where individuals interact socially, either physically or online.
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