This is not true. E-mail virus warnings are just scare tactics. Fortunately, these hoaxes share many similarities and are easy to recognize. Overstating the destructive potential of viruses.
Real viruses are generally more annoying than harmful.
Virus hoaxes usually claim that the virus will destroy computers or hard drives. Invoking a respected authority. The claim that a reputable corporation or government agency has issued a warning about the virus gives the hoax credibility. Don't believe it. If in doubt, contact the cited organization.