The firm said PCR kits, which are an ongoing COVID-19 infection, were manufactured in China through BGI Genomics and distributed worldwide.
In Sweden, the kits were used through other people who conducted home testing between March and August, the firm said.
Most of the time, “people who had mild symptoms or didn’t have any symptoms at the time of the check got false positive results,” the firm said in a statement.
He added that he would touch those affected this week and adjust the official number of instances in Sweden.
“The defective verification kit was reported to the Swedish Medical Products Agency. It was exported through China to many other countries,” the firm said, adding that it “informed the relevant government in Europe and WHO. “