I've got sinusitis. From my light understanding, rhinoviruses are the typical causes of sinusitis, and that they multiply poorly at temperatures above 33C which is why they tend to be mostly active in the upper respiratory areas which are cooler than the rest of the body.

The engineer in me has decided to put a humidifier under my table with plastic pipe jammed into the outlet which conducts a light draft of steam just below my nose kind of like the humidifier manifold just under Darth Vaders nose when Luke pulls off his helmet. I measure the outlet temperature of humid hot air at about 45C which is about the threshold of discomfort that I'm willing to handle.

Besides being soothing to my sinusitis, would the higher temperature disrupt the multiplication of rhinovirus? I'm hoping that maybe a couple hours of this therapy might be long enough to knock back the virus a bunch since it's got a lifecycle of 8-12 hours. I'm thinking that disrupting an invaders reinforcements for 20% of it's lifecycles and promoting high mucous flow (my snot gets REALLY runny when it's this muggy) could turn the tide early on a common cold.

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After some pondering, I think interfering with virus multiplication by increasing temperature would only work if it prevented DNA injection or some other multiplying process long enough for a virus to meet it's best before date and it died. If all the high temp did was prevent multiplying leaving the viruses in a sort of stasis until temperatures dropped then all I would achieve is to put multiplication on pause for a couple hours and achieve no reduction in virus population. My therapy would only work if the viruses would continue to die during the treatment while they failed to multiply i.e. if I could prevent multiplication for one lifecycle, then most of the virus load would all be dead, but I may be misunderstanding "lifecycle". Maybe one lifecycle is the time it takes to infect a cell and take it to the point of lysis and multiplication rather than a 12hr best before date. I kind of doubt 45C is hot enough to cause significant virus deactivation, but I don't know much about rhinovirus.