Omicronjon symptoms may not show up in the early stages, but there may be early signs such as muscle aches, fever, and sore throat. Omicron is a variant of the new coronavirus. Omicron is more contagious than the traditional new coronavirus, and the incubation period can be shorter. A portion of asymptomatic infected people are crypto-infected, showing no obvious symptoms throughout the entire period from infection to nucleic acid conversion. Early stages of Omicron may present with muscle aches and pains. In the presence of the viral toxin, the energy metabolism in the body rapidly depletes energy, causing the manifestation of muscle aches and pains. Omicron may also show fever symptoms in the early stages, mainly moderate fever, and a few have gastrointestinal symptoms such as nausea and vomiting. Vaccination against Neocollins is an effective way to deal with Omicron, and it is recommended that those who have not yet been vaccinated against Neocollins be vaccinated as soon as possible. If there is close contact or suspected infection, isolate and test for nucleic acid to avoid delaying the disease.