FWIW, the article has been corrected now to read: > Try multiplying a billion by a billion, then multiply that by ten trillion, and that (10 to the 31st power)

FWIW, the article has been corrected now to read: > Try multiplying a billion by a billion, then multiply that by ten trillion, and that (10 to the 31st power) is the mind-numbing estimate of how many individual viral particles are estimated to populate the planet. (I can't find a "correction" notice... It's Stanford Medicine, not a proper newspaper.)