Question: Is my Yahoo e-mail site and e-mails virus, spam, spyware, etc., protected? 

Answer: Yahoo does protect it's users from email viruses and spam mail.  You can scan attachments in emails for viruses to make sure they are safe to download before actually downloading them to your computer.  Email that is considered spam is placed in your bulk mail folder and deleted automatically if you never check it.
This question from the Yahoo Q&A forum is categorized in the topic: Science & Mathematics