COVID-19 /ˌkəʊvɪd naɪnˈtiːn/
noun uncountable
The full name is coronavirus disease 2019. In COVID-19, ‘CO’ stands for ‘corona,’ ‘VI’ for ‘virus,’ and ‘D’ for disease. Formerly, this disease was addressed as “2019 novel coronavirus” or “2019-nCoV.”
Novel here means new and different.
Coronavirus /kəˈrəʊnəvaɪrəs/
noun uncountable, countable a type of virus that can cause pneumonia and other diseases in humans and animals
Coronavirus is a member of RNA viruses.
Corona + virus, from Latin corona "a crown, a garland,"
The novel coronavirus called COVID-19 caused this pandemic.
Pandemic /pænˈdemɪk/
noun countable
a disease that spreads over a whole country or the whole world
from pan- "all" + dēmos "people"
The president has tested positive for COVID-19.
Test
verb transitive, intransitive
test somebody/something (for something) The doctor tested the vice-president for COVID-19.
test + adj. (for something) The advisor has tested negative.
I wish everybody who got infected a speedy recovery.
