Virus bacteriophage - Enterobacteria phage T4 3D-malli almost 2 years 27 CORONAVIRUS COFFEE OR FOOD STENCIL COVID-19 3D-malli almost 2 years 13 Gram Negative Bacterial Cell Wall 3D-malli almost 2 years 1 Bacterial Gram Positive Cell Wall 3D-malli almost 2 years 1