possible vaccine is hopefully expected to come in 1–2 years, originating a buffer period pretty much uncertain for many people. Vaccination is the only way known to accelerate the flock immunity without causing further death by this pandemic. Contemporary history has seen the spread of other viral pandemics such as H2N2 flu (1956–1958), H3N3 flu (1968), HIV (peak reached between 2005 and 2012), SARS (2009), while MERS (2012 to now) and Ebola (1975 to now) viruses are in a prepandemi