The high number of excess deaths in developed countriesof Europe / USA/ Australia etc post-covid period has come to the attention of a number of organisations, organisations including the OECD.
Excess deaths being deaths which exceed fluctuations over and above expected numbers, in UK the excess being 100,000 over two years.
To date there are no consensual answers or explanations for the phenomenen, but Covid has not been eliminated.
Links is just two of many articles to be found.
Excess deaths UK -BBC
Excess deaths Australia