The incubation period for infection with the Omicron coronavirus strain may be shorter than with previous mutations. This was announced on Wednesday, December 22, by NBC News, citing scientists.. It is noted that when infected with Omicron, the first symptoms usually appear after three days.. Maximum - in a week. Such conclusions are based on the assumption that the " " She clarified that many factors affect the rate of development of COVID-19 syndromes, including age, the presence of chronic diseases and vaccinations.. Recall that WHO predicts that Omicron will dominate in Europe in the coming weeks. Five main symptoms of the Omicron strain named News from Telegram. Subscribe to our channel https: // t. me / korrespondentnet Author: 1.