coronavirus vaccination round bicolor stamps - unclean surface

2019ncov badge bicolor bicolored bicolour black caption circle corona coronavirus coronavirusvaccination corroded covid19 covid2019 dirty distress drug flat flu green grunge immunisation immunization immunogen imprint inoculation medical message multicolored phrase prevention preventive prophylactic red round scratched seal stamp text texture textured treatment unclean vaccinations vaccine vector virus watermark