Caution COVID-19 Sign on Yellow and Black Background

A rectangular sign with a bold warning about COVID-19 is displayed. The sign is largely yellow with black text. The word "CAUTION" is prominently printed in large, bold, black letters at the top. Below this, the words "COVID-19" appear in a similar bold, black font. To the left of the text, there is a black square containing a yellow biohazard symbol. The clear messaging of the sign would make it useful for projects related to health, safety, or awareness campaigns.