Children from ethnic and racial minorities, those with underlying health conditions and those between the ages of 18 and 20 are more likely to die, a CDC-led research team wrote in a study published Tuesday in the agency’s Morbidity and Mortality Weekly Report.
The researchers asked 50 states, New York City, the District of Columbia, Puerto Rico, Guam, and the US Virgin Islands to submit information on coronavirus deaths in those under 21, between February 12 and July 31. Forty-seven jurisdictions responded.
Among the approximately 6.5 million Covid-19 cases in the country, the researchers found a total of 391,814 cases of Covid-19 and MIS-C in those under 21. While people under 21 make up 26% of the US population, they make up only 8% of all reported cases.
Hispanics, Blacks and American Indian/Alaska Natives were disproportionately affected. A total of 44% of the 121 who died were Hispanic children, 29% were Black children, 4% were American Indian/Alaska Natives and 4% were Asian or Pacific Islander. While these groups represent 41% of the US population under the age of 21, they accounted for approximately 75% of deaths in that age range. Fourteen percent of the deaths were in white children.
“Infants, children, adolescents, and young adults, particularly those from racial and ethnic minority groups at higher risk, those with underlying medical conditions, and their caregivers, need clear, consistent, and developmentally, linguistically, and culturally appropriate COVID-19 prevention messages,” the researchers wrote.
While 25% of the deaths were in previously healthy children, 75% had at least one underlying health condition and 45% had two or more. The most frequently reported medical conditions were chronic lung disease, including asthma; obesity; neurologic and developmental conditions and cardiovascular conditions.
The breakdown among the different age groups varied substantially, with those in the younger age groups doing better than adolescents and young adults. Approximately 10% of the deaths were in infants under the age of 1, an additional 9% were in children between 1 and 4, with another 11% in the 5-9 range and 10% in the 10-13 range. But almost 20% of the deaths were seen in teenagers between the ages of 14 and 17 and more than 40% were in 18 to 20 year-olds.
This matches up somewhat with earlier CDC statistics that found 0 to 4-year-olds are four times less likely to be hospitalized and nine times less likely to die than 18 to 29-year-olds, and 5 to 17-year-olds are nine times less likely to be hospitalized and 16 times less likely to die than 18 to 29-year-olds.
Boys fared worse than girls: males accounted for 63% of the deaths compared with 37% for females.
Even though children are reassuringly less likely to get severely ill and die, they can still get infected and transmit SARS-CoV-2 to others, according to numerous studies.
They found at least two children who had no symptoms not only caught the virus, but passed it to other people, including one mother who was hospitalized. One eight-month-old baby infected both parents.
“The infected children exposed at these three facilities had mild to no symptoms. Two of three asymptomatic children likely transmitted SARS-CoV-2 to their parents and possibly to their teachers,” the researchers from the Salt Lake County Health Department wrote in their report.
The CDC researchers of the current study said it is important to keep a close eye on children infected with Covid-19. “Although infants, children, and adolescents are more likely to have milder COVID-19 illness than are adults, complications, including MIS-C and respiratory failure, do occur in these populations. Persons infected with or exposed to SARS-CoV-2 should be followed closely so that clinical deterioration can be detected early,” they wrote.
Jacqueline Howard, Sandee Lamotte and Lauren Mascarenhas contributed to this report.
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