vitamin K deficiency is also associated with covid19 symptoms. https://www.preprints.org/manuscript/202004.0457/v1 https://www.preprints.org/manuscript/202004.

vitamin K deficiency is also associated with covid19 symptoms. https://www.preprints.org/manuscript/202004.0457/v1 https://www.preprints.org/manuscript/202004.0457/v1