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. 2022 Jan 22;181(4):1575–1584. doi: 10.1007/s00431-021-04348-w

What is Known:

• Serum zinc levels have been found to be low in adult patients diagnosed with COVID-19.

• There was a correlation between the severity of COVID-19 and serum zinc levels in adults.

What is New:

• Children with low serum zinc levels were found to have a higher number of hospitalizations.

• No association was found between the severity of COVID-19 disease and serum zinc levels in children.