eFigure.

The demonstration of parvovirus-B19 (B19V) DNA in the blood of pregnant women by PCR (1 specimen per case) from January 2016 to December 2024 (data from the routine diagnostic laboratory of Prof. Dr. G. Enders MVZ GbR. Stuttgart). The origin of each sample is shown by postal code region on the basis of the first digit of the postal code.