What are the functional experiences of function?

Sharemarine Corniouquébec Sciencen Virology, "function gain" experiences consist in genetically modifying viruses to make them more transmissible or more virulent.This very controversial research has been talked about in recent months because scientists from the Wuhan laboratory, a city from which the pandemic emerged, practiced this type of genetic manipulation on coronaviruses of bat bat.An observation that fueled the thesis according to which the Sras-Cov-2 could have been a "chimera" created artificially and escaped from the laboratory (we were talking about this hypothesis here).