What are the symptoms of the mutated strain of corona or micron?

What are the symptoms of the mutated strain of corona or micron? And how are they different from the traditional symptoms of the Corona virus? And what does the World Health Organization say about the symptoms of Omicron? Did he grow up in Africa? Have we really entered the Omicron stage? How can mRNA technology be used to deal with this new mutant? The answers are in this comprehensive report.
OMICRON SYMPTOMS
According to the available data, it appears that the symptoms of Omicron are similar to the symptoms of other strains of the Corona virus, according to the Healthline website, such as:

fever
cough
hard breathing
muscle pain
How do the symptoms of Omicron differ from the symptoms of the original Corona?
There is a difference between Omicron and other Corona strains, including the original Corona strain (which appeared in Wuhan, China), which are:

First. No loss of sense of smell and taste
Dr Coetzee, a member of South Africa's Ministerial Vaccines Advisory Committee, alerted health officials to the "disproportionate clinical picture of the Delta strain" on November 18 when seven patients developed different symptoms, according to a report in The Independent.

Dr. Coetzee said that unlike Delta, patients had not yet reported a loss of smell or taste, and there was no significant decrease in oxygen levels associated with the new variant. She added that all patients are eligible to receive treatment at home.

Secondly. Symptoms are mild
"We've seen a lot of Delta patients during the third wave, and this (Omicron's disease) doesn't fit the clinical picture, and most of those who have it have very, very mild symptoms," Coetzee said.