Covid is not over, it's just less deadly (meaning most common Omicron variant), therefore causing less panic and media coverage. Also war is newer, there are a lot to discuss still, sanctions, political discussions, surrender terms, etc. If that war lasts over a year and goes into the stalemate it will probably get less attention as well. People will get bored of anything eventually.
Covid19 is over because people is dieing like before people was dieing and even now know body is talking about covid19, what is happening now is war of Ukraine and Russia that is causing lost of life, no country is experiencing covid19 and the time of covid19 not all the country covid19 affected but government of some nation's use it to suffer their people