英文關鍵字
animation
bacteria
bacterium
biology
black
camel
care
causing
cell
concept
corona
coronavirus
cough
crownlike
design
disease
east
filled
flu
graphics
health
human
icon
illness
illustration
infection
isolated
line
linear
logo
medical
medicine
mers
merscov
micro
middle
motion
organism
pathogen
pictogram
respiratory
science
sign
simple
symbol
syndrome
thin
viral
virology
virus
web