CO is coronavirus, VI is virus, D is disease, -19 is 2019. Full name Novel Coronavirus Pneumonia. adj epidemic, contagious;

●COVID-19 new coronavirus

CO is the coronavirus, VI is the virus, D is the disease, -19 is 2019.

Full name Novel Coronavirus Pneumonia

novel adj. Novel, novel

corona n.Corona

virus n.Virus

Pneumonia

●Mask (mask)

① Disposable medical mask 2

disposable medical mask

② surgical mask 2

Medical surgical oral

③ N95 respirator

or

or

N95 particle protected

N95 mask

④medical protective mask

Medical protective mask

●

Infectious source

Infection source

susceptible person

susceptible population

Transmission route

transmission pathway

asymmetric patient

asymptomatic infected person

asymmetric

adj. Asymptomatic

Close contacts

close contacts

heroes in harm's way

retrograde

●

nucleic acid testst

nucleic acid test

home quarantine

home isolation

wash hands more often

double hands

double hands

double hands

double hands

double mask

double mask

double mask

double mask

double mask

double mask

double mask

double ventilation

double ventilation

double ventilation

double ●

double 1fight against epidemic

fight the epidemic

epidemic tml3

adj epidemic, contagious; n. infectious disease

our wills unite like a fortress

unity

will n. will

fortress n. fortress