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IPFS News Link • Pandemic

Visualizing The Relative Size Of Particles (Like COVID-19)

• https://www.zerohedge.com, by Tyler Durden

From the global COVID-19 pandemic to wildfires ripping through the U.S. West Coast, it seems as though our lungs can't catch a break, or more aptly, a breath.

But, as Visual Capitalist's Carmen Ang asks, just how small are the particles we're currently battling? And how does their size compare to other tiny molecules?

Specks Too Small to See

While the coronavirus that causes COVID-19 is relatively small in size, it isn't the smallest virus particle out there.

Both the Zika virus and the T4 Bacteriophage - responsible for E. coli - are just a fraction of the size, although they have not nearly claimed as many lives as COVID-19 to date.

Coronavirus particles are smaller than both red or white blood cells, however, a single blood cell is still virtually invisible to the naked eye. For scale, we've also added in a single human hair as a benchmark on the upper end of the size range.

On the other end of the spectrum, pollen, salt, and sand are significantly larger than viruses or bacteria. Because of their higher relative sizes, our body is usually able to block them out—a particle needs to be smaller than 10 microns before it can be inhaled into your respiratory tract.

Because of this, pollen or sand typically get trapped in the nose and throat before they enter our lungs. The smaller particles particles, however, are able to slip through more easily.


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