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Craig380 · 31-03-20, 08:41 AM

Most viruses - including Covid-19 - don't actually remain actively infectious for long on surfaces like metal, plastic and paper, maybe a few hours at most, because they're not 'alive' as such. They're bundles of RNA held together loosely with some protein chains. Unless the virus binds to the receptors on an animal or human cell, the virus starts to fall apart (this is why handwashing with soap is effective, it breaks up the proteins around the RNA core and stops the virus being able to work).

However, their RNA is still detectable on those surfaces for days, even though the virus has 'died.' For fans of crime and forensics shows, it's the equivalent of being able to find DNA on old bed sheets etc days or weeks after a crime has been committed.

31-03-20, 08:41 AM	#22
Craig380 Member Mega Poster Join Date: May 2015 Posts: 1,238	Re: Social Distancing ... Most viruses - including Covid-19 - don't actually remain actively infectious for long on surfaces like metal, plastic and paper, maybe a few hours at most, because they're not 'alive' as such. They're bundles of RNA held together loosely with some protein chains. Unless the virus binds to the receptors on an animal or human cell, the virus starts to fall apart (this is why handwashing with soap is effective, it breaks up the proteins around the RNA core and stops the virus being able to work). However, their RNA is still detectable on those surfaces for days, even though the virus has 'died.' For fans of crime and forensics shows, it's the equivalent of being able to find DNA on old bed sheets etc days or weeks after a crime has been committed.