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en.wikipedia.org/wiki/Megavirus

Megavirus is a viral genus containing a single identified species named Megavirus chilensis, phylogenetically related to Acanthamoeba polyphaga Mimivirus (APMV). In colloquial speech, Megavirus chilensis is more commonly referred to as just “Megavirus”. Until the discovery of pandoraviruses in 2013, it had the largest capsid diameter of all known viruses, as well as the largest and most ...

www.livescience.com/38276-largest-viruses-ever-revealed-pandoravirus.html

Ten years ago, researchers accidentally discovered mimivirus, what until now was the biggest, most complex virus known. Mimivirus — a name derived from "mimicking microbes," chosen because the ...

en.wikipedia.org/wiki/Mimivirus

The mimivirus is the fourth-largest virus, preceded by the recently discovered Megavirus chilensis, Pandoravirus and Pithovirus.Mimivirus has a capsid diameter of 400 nm.Protein filaments measuring 100 nm project from the surface of the capsid, bringing the total length of the virus up to 600 nm.

www.smithsonianmag.com/science-nature/worlds-largest-virus-was-just...

The World’s Largest Virus Was Just Resurrected From 34,000-Year-Old Permafrost It’s not a threat to humans, but does show that ancient viruses can persist for millennia and remain a potential ...

www.livescience.com/56598-deadliest-viruses-on-earth.html

In the modern world, the deadliest virus of all may be HIV. "It is still the one that is the biggest killer," said Dr. Amesh Adalja, an infectious disease physician and spokesman for the ...

www.quora.com/Which-is-the-largest-virus

Thanks for the A2A. To my knowledge: By size, Pithovirus sibericum is currently the largest known virus with a length of 1500nm and diameter of 500nm making it larger than the smallest eukaryotic cell. By genome size/length, Megavirus chilensis wi...

www.quora.com/What-are-the-names-of-the-smallest-and-largest-viruses-and-bacteria

Porcine circovirus (PCV) is the smallest virus with only 17nm in diameter. But synthetic biology can go even farther creating a virus with 12nm in diameter The world's smallest virus Giant viruses are so big, that they’re visible with light micros...

www.planetdeadly.com/nature/10-deadliest-viruses

The largest outbreak of Marburg virus was in 2004 in Angola. Out of 252 infected 227 died, i.e. 90%. In an earlier epidemic in the Congo the fatality rate was 83%.

www.britannica.com/science/virus/Size-and-shape

Most viruses vary in diameter from 20 nanometres (nm; 0.0000008 inch) to 250–400 nm; the largest, however, measure about 500 nm in diameter and are about 700–1,000 nm in length. Only the largest and most complex viruses can be seen under the light microscope at the highest resolution. Any determination of the size of a virus also must take ...

theweek.com/articles/461969/meet-worlds-largest-virus

For one, the virus is twice as big as the second-largest known virus, and dwarfs the size of most others — it's volume is 1,000 times that of the common flu. What's more, ...