This is the 11792nd most frequent Polish word.
koronawirusa
The Polish word "koronawirusa" means "coronavirus" (genitive case).
The word 'koronawirusem' is the instrumental case of 'koronawirus,' used to indicate the means or cause of an action.
Unikaj bliskiego kontaktu z osobami, które mogą być zakażone koronawirusem.
Avoid close contact with people who might be infected with coronavirus.
The word 'koronawirusa' is the genitive case of 'koronawirus,' used to indicate possession or association, often after a noun expressing measure or quantity.
Szybkie rozprzestrzenianie się koronawirusa stanowi poważne wyzwanie dla służby zdrowia.
The rapid spread of coronavirus poses a significant challenge to the healthcare system.
Again, 'koronawirusa' is in the genitive case, showing possession or what is being referred to in the context of 'nature'.