This is the 562nd most frequent Azerbaijani word.
virusa
The Azerbaijani word "virusa" means "to the virus" in English.
In this context, 'virusa' refers to the virus as the target against which something (the vaccine) is directed.
Həkimlər virusa qarşı yeni peyvənd hazırlayıblar.
Doctors have developed a new vaccine against the virus.
Here, 'virusa' is used to indicate the state of being infected by the virus.
Virusa yoluxan insanların sayı artır.
The number of people infected with the virus is increasing.
In this sentence, 'virusa' implies the object of efforts or actions aimed at combating it.