Early Life of Jacques Cartier. 1  Cartier was born in 1491 in Saint-Malo. During his early childhood he would hear stories of the great Christopher Columbus, Vasco da Gama and the exploits of the Spanish Conquistadors. 2  His homeland France was relatively inactive in the exploits of the New World.
Severe acute respiratory syndrome (SARS) is a viral respiratory disease of zoonotic origin caused by the SARS coronavirus (SARS-CoV).
Public health scientists verified that a common virus -- a coronavirus -- that has become more severe as the likely cause of severe acute respiratory syndrome (SARS). Many people wonder just how scientists know that the cause is a virus and, more importantly, this particular virus.