pedagogical
2019ncov
attention
bacteria
biology
blak background
character
concept
conceptual
contagious
corona
coronavirus
covid19
danger
dangerous
didactic
disease
distancing
educational
face
folding meter
health
icon
illness
infect
infection
infographic
mask
medical
medicine
meter
no people
outbreak
pandemic
pathogen
prevention
protection
protein
proximity
science
sign
social
symbol
symptoms
virus
yardstick
定額
coronavirus icons as facial mask and folding meter on black background representing social distancing concept educational clear wayの素材 [FY310148388409]
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