The New Crown vaccine does not usually cause lung nodules to grow in the human body. The current vaccine is a self-developed vaccine that has passed national standards for safety and efficacy. The vaccine has been administered to a large number of people in China, and has already passed Phase IV clinical trials. The safety of the vaccine is guaranteed, and there are usually no serious consequences such as the development of lung nodules after vaccination. The vaccination does have some effects on the body, prompting the body to produce an immune response, and some adverse reactions may occur, such as mild fever, weakness, dizziness and drowsiness, and gastrointestinal discomfort, etc. However, no lung nodules have been found. However, there are no reports of lung nodules, so there is no need to worry too much about the side effects of the vaccine, and those who meet the requirements for vaccination should receive the vaccine in a timely manner.