Correction to: Eur J Med Res (2020) 25:16 https://doi.org/10.1186/s40001-020-00414-5

Following publication of the original article [1], the authors identified an error in Fig. 1. The corrected Fig. 1 is given below.

Fig. 1
figure 1

High activity natural killer cell during target attack. Footprint of previously attached natural killer cell can be identified by patchy membrane residuals on the target cell surface. Green objects have the size of budding virus particles. When will NK-cells join the cellular immune cascade to fight SARS-CoV-2?