covid virus hole circle map of sakhalin island mosaic

2019ncov abstract attack axenic bacilla bacillus bacteria biohazard carequot circle collage composition contagious corona coronavirus covid eastquot element epidemic external fever flu geography health hole infection island lockdown map merscov microbe microbiology microorganism mosaic pandemic pathogen pathogenic pneumonia political provocative quot region regional round russian sakhalin sars scatter sickness stencils vector virus