a college student
anxiety
businessmen
causative agents
children
class
cold
computer
cough
covid19
diagnostic
disease
education
examination
flu
germs
headphones
high school student
home
homebased work
hospital
illustration
infection
internet
it
junior high school students
learning
lifestyle
medical
new coronavirus
no going out
online
pc
pneumonia
pollinosis
prevention
school
staying at home
students
study
technology
telework
vector
virus
work
work from home
working from home