NEW DELHI: Children who develop symptoms of covid-19 typically recover in six days, with only about 4.4 percent experiencing symptoms that last longer than four weeks, according to a UK study published on Tuesday in The Lancet Child & Adolescent Health journal.
The findings may assuage India’s fears that the third wave of the pandemic will have a severe impact on children. The study, which is based on data reported by parents and caregivers via a smartphone app, provides the first detailed description of covid-19 illness in symptomatic school-aged children.
“It is reassuring that the number of children who have long-lasting covid-19 symptoms is low. “However, a small number of children do experience long illness with covid-19, and our study validates the experiences of these children and their families,” said Professor Emma Duncan of King’s College London, UK.
Some adults experience a prolonged illness after covid-19, described as “long-covid”, where symptoms persist for four weeks or longer, but it is not known whether children can develop a similar condition or how common this is. Many children infected with the SARS-CoV2 virus do not develop symptoms, but those who do tend to, have a mild illness.
In the study, the researchers used data collected through the ZOE COVID Study smartphone app, which includes data from more than 250,000 children the UK, aged five to 17 years. Symptoms were reported through the app by their parents or carers, rather than assessed directly in children, and the team did not collect data regarding school attendance.
The team focused on reports collected between 1 September 2020 and 22 February 2021. Some 1,734 children developed symptoms of covid-19 and received a positive PCR test result close to the onset of symptoms, with their symptoms reported regularly until they were healthy again. This meant the researchers could accurately attribute these children’s symptoms to covid-19 and could assess illness duration robustly. Overall, these children were ill for an average of six days and experienced an average of three symptoms in the first week of illness, confirming that COVID-19 tends to manifest as a mild illness in children and that they usually recover quickly.
Some adults experience a prolonged illness after covid-19, described as “long-covid”, where symptoms persist for four weeks or longer, but it is not known whether children can develop a similar condition or how common this is. Many children infected with the SARS-CoV2 virus do not develop symptoms, but those who do tend to, have a mild illness.
In the study, the researchers used data collected through the ZOE COVID Study smartphone app, which includes data from more than 250,000 children the UK, aged five to 17 years. Symptoms were reported through the app by their parents or carers, rather than assessed directly in children, and the team did not collect data regarding school attendance.
The team focused on reports collected between 1 September 2020 and 22 February 2021. Some 1,734 children developed symptoms of covid-19 and received a positive PCR test result close to the onset of symptoms, with their symptoms reported regularly until they were healthy again. This meant the researchers could accurately attribute these children’s symptoms to covid-19 and could assess illness duration robustly. Overall, these children were ill for an average of six days and experienced an average of three symptoms in the first week of illness, confirming that COVID-19 tends to manifest as a mild illness in children and that they usually recover quickly.
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