Severe acute respiratory syndrome (SARS) is a newly arose illness that quickly spread all over the world. The ailment arose in south China including a new coronavirus (SARS-COV) was suspected of being involved as the underlying cause. The trail the said pathogen ended up taking to set up human illness abide uncertain, nevertheless initial findings said that the roots of this disease was from intermediate animal host. Hospital acquired spreading of SARS-COV has become a prominent characteristic during the pandemic. The disease is comparable to several RTI 's, even though huge percentage of victims exhibit a sharp decrease in health with airway obstruction near the 2nd week ending of infection. The Treatment methods are pretty much identical as the treatment of many other communicable lung infections however the measures for restricting the disease start taking a prominent aspect. Also, the antiviral drug action has not been proved counter to SARS-COV. One of the best striking characteristics of this disease outbreak was the rapidity for this the entire world started acting in a cohesive way to manage it. The entire review discusses the etiology, epidemiology, clinical manifestations, diagnostic methods, preventive care, pathology and pathogenesis of severe acute respiratory syndrome along with its treatment.