The China Centers for Disease Control and Prevention published a research results speculated that from December last year to February this year, more than 82%of the country's population infected with coronal virus.
According to the Beijing Evening News, the China Centers for Disease Control and Prevention published a pre -planning study on Friday (April 28): The effectiveness of the infection and symptoms of the new crown vaccine in the infection and symptoms of the new crown virus Omikon, December 2022 to February 2023.
According to the report, according to the China Centers for Disease Control and Prevention, from December last year to January this year, the cases of crown disease infection increased significantly.Many infected people may not receive nucleic acid or antigen detection, which will cause data control data to accurately reflect the severity of the epidemic.In this case, online surveys can be used as a fast monitoring tool for assessing the situation of the epidemic.
The research team conducted four online investigations on 31 provincial administrative regions in China from December to February this year.Use the anonymous questionnaire provided by "Ask Volume" to collect the participants' gender, age, address, occupation, vaccination status, vaccination type, time of vaccination, time since vaccination, infection status (symptoms, diagnostic date and diagnostic method), infection) infectionData of the number of cohabitants.
The results of the study showed that the infection rate of self -reported infection reached its peak from December 19 to 21 last year. As of February 7 this year, 82.4%of the country's population infected with coronary virus.
Research also found that strengthening the vaccine of the crown disease can effectively prevent the occurrence of the symptoms of crown disease, including fever, nasal congestion, nasal leakage, sore throat, cough, sputum, headache, muscle soreness, anorexia, fatigue, fatigue, fatigue, fatigue, fatigue, fatigue, fatigue, fatigue, fatigue, fatigue, fatigue, fatigue, fatigue, fatigueAnd hypoglycemia and so on.