Look up this word
virus

In a sentence
Najhorší vírus je kapitalizmus.
The worst virus is capitalism.
Toto je vírus.
This is a virus.
Practice frame
Examples from Tatoeba (CC BY 2.0 FR).
Source
Slovak National Corpus (SNK) ↗English gloss from the frequency publish path. Includes Tatoeba example sentences when present.
Full attribution on References.