alphabet letters cards make inscription covid and medical gauze mask on black background. coronavirus 2019-ncov, selfisolation

2019 2019ncov airborne alphabet background black breathe cards concept copy corona coronaviridae coronavirus cough covid covid19 disease distant education epidemic face flu gauze health healthcare home ill illness infection influenza inscription learning letters make mask medical medicine mers orthocoronavirinae pandemia pandemic prevent prevention preventive prophylaxis protect protection protective public remote respiratory sars sarscov2 selfisolation service space study virus viruses wearing