Stock Photo - 20 December 2022, Lower Saxony, Hanover: An employee at the Lower Saxony State Health Office, holds a box with prepared sample material of throat swabs for the analysis and detection of infections by PCR (polymerase chain reaction) in her hand. A high number of respiratory infections are currently being registered in Lower Saxony. Photo: Michael Matthey/dpa. - Hanover/Lower Saxony/Germany

Stock Photo: 20 December 2022, Lower Saxony, Hanover: An employee at the Lower Saxony State Health Office, holds a box with prepared sample material of throat swabs for the.

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