adolescence
19
afro
agree
allergy
attitude
chat
city
concept
contagious
contamination
covid
crisis
cyberspace
disease
environment
epidemic
face
female
friends
friendship
girl
happy
health
infection
infectious
jean
lifestyle
man
mask
measure
medicine
mobile phone
ok
outdoors
pandemic
person
phone
pollution
positive
prevention
protection
quarantine
safety
student
teenage
teenager
virus
woman
young