novel corona virus disease covid-19, 2019-ncov with text coronavirus outbreak on correction market background. concept of the fall

2019ncov analysis arrow attention background bacteria bearish biohazard blue business buy careful caution chart chinese composite concept contagion contamination corona coronavirus corornavirus correction covid covid19 crash crisis decrease detected disease dow down downward economic economy epidemic exchange fall falling finance flu global graph hazard index indices infected infection information invest investment loss low market medical outbreak pandemic pathogen plummeting pneumonia prohibition protection quarantine rate red risk sars sell sp500 stock stop syndrome trade trading usa vaccine value vector virus world