Board Thread:General Discussion/@comment-26362471-20161201160349/@comment-25893909-20161210160155

49.149.10.192 wrote: Isn't he catch a cold on one of the OVA and go to a spa? The OVA may not be canon. And even if he did catch a cold, don't forget that Superman also caught a cold and destroyed a Solar System with a sneeze.

Catching a cold is different to surviving sub-zero temperatures, where no virus can survive or even exist. Reasons? The common cold can also be induced by dust.