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Feb 25, 2021 59 secs

However, if you think back to the beginning of the pandemic, one of the major concerns was the role that surfaces played in the transmission of the virus.

The key question isn’t whether surface transmission is possible, or whether it can occur in the real world—it almost certainly can.

The real question is: what is the extent of the role of surface contact in the transmission of the virus?

As a side note, the relative role these two routes play in transmission is probably a much more interesting and important question to clarify from a public health perspective.

So in terms of designing experiments that are relevant to public health, one of the more important variables in these studies is the amount of virus deposited on a surface—and the extent to which this approximates what would happen in the real world.

And if we do this, there isn’t a lot out there to support surface transmission being of major importance in the spread of COVID.

This isn’t to say surface transmission isn’t possible and that it doesn’t pose a risk in certain situations, or that we should disregard it completely.

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