Gain-of-function and origin of Covid19

• Published in: La Presse médicale (1983) Vol. 52; no. 1; p. 104167
• Main Author: Berche, Patrick
• Format: Journal Article
• Language: English
• Published: France Elsevier Masson SAS 01.03.2023

In nature, wild viruses adapted for transmission circulate in many animal species (bats, birds, primates…). Contamination of other animals, including humans, may occur by crossing of the species barrier. Genetic manipulations have been carried out on wild viruses to favor the species jumping and to...