According to foreign media reports, a British survey of 500,000 adults revealed that about 2 million people may have "long Covid-19 symptoms" (long Covid) after contracting COVID-19 pneumonia.
Studies have shown that one-third of patients with COVID-19 pneumonia will experience one or more long-term symptoms of COVID-19 that last at least 12 weeks.
Researchers said that controlling the long-term health effects of COVID-19 is an "important challenge."
The British government has provided £50 million for studying the long-term symptoms of COVID-19.
The long-term symptoms of COVID-19 are a new phenomenon that has not yet been fully understood, and there is currently no universally agreed definition.
The long-term symptoms of COVID-19 cover a series of symptoms after COVID-19 pneumonia infection, such as fatigue, cough, chest pain, headache and muscle pain. It is reported that women, those who are overweight, and those with asthma will increase the risk of long-term symptoms of COVID-19.
During the study period from September 2020 to February 2021, the researchers conducted random surveys, asked whether these random survey subjects were confirmed or suspected cases of COVID-19 pneumonia, and asked them about the duration of 29 different symptoms.
The survey found that about 37% of people said that they had at least one long-term symptom of COVID-19 that lasted for 12 weeks or more; about 15% said that they had more than three long-term symptoms of COVID-19 that lasted for at least 12 weeks. In addition, the study also found that the long-term symptoms of COVID-19 are more common in women, and with age, the number of women with these symptoms also increases; overweight, smoking, low income, chronic diseases, and COVID-19 People infected with -19 pneumonia and admitted to the hospital are more likely to have long-term symptoms of COVID-19. Studies have shown that fatigue is one of the most common symptoms. For severely ill patients with COVID-19 pneumonia, shortness of breath is the main long-term symptom of COVID-19.
Previous studies in the United Kingdom have shown that the long-term symptoms of COVID-19 may be more common than people think. The National Bureau of Statistics of the United Kingdom stated in December last year that one in five people infected with the COVID-19 virus had symptoms lasting 5 weeks or more; one in ten infected people had symptoms lasting 12 weeks or more.
According to information seen by British media reporters, about 1 in 20 COVID-19 patients has a course of at least 8 weeks.
Scientists say that people who are older and have various underlying diseases are at higher risk of long-term symptoms of COVID-19.
British Health Minister Matt Hancock said that the long-term symptoms of COVID-19 have a lasting and weakening impact on the lives of people infected with COVID-19 pneumonia.
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