COVID-19 . Corona virus infected in blood stream . Cause of SARS , MERS COV and COVID-19 in human . In blood have red blood cells , white blood cells and platelet . Flat and simple design . Vector .
COVID-19 . Corona virus infected in blood stream . Cause of SARS , MERS COV and COVID-19 in human . In blood have red blood cells , white blood cells and platelet . Flat and simple design . Vector .