Does having a fever mean your infection is bacterial rather than viral

You're feeling unwell and your body temperature is rising. As you retreat to bed and ponder your misery, thoughts start going through your head.

"I've been crook before without a fever. What's different this time? Could it be that my cold — a virus — has developed into a secondary sinus or chest infection — bacterial — or have I picked up something more serious?"

Read more...http://www.abc.net.au/news/2015-08-27/does-having-a-fever-mean-your-infection-is-bacterial-or-viral/6728500?section=health