boy
child
classmate
classroom
concept
coronavirus
desk
disease
education
epidemic
face
flu
girl
group
health
healthcare
high
illness
indoors
infection
influenza
kid
learner
learning
lesson
mask
medical
notebook
pandemic
people
protection
protective
pupil
quarantine
respiratory
safety
school
schoolboy
schoolgirl
sickness
sitting
student
study
studying
surgical
teenager
together
virus
young