"German Iron Lady" suddenly fell on stage

A few days ago, German Chancellor Angela Merkel suddenly fell while attending the event, causing anxiety among Germans. The health of this Iron Lady has once again attracted the attention of the whole German society. This is her fourth physical "strike" this year. Or something happened. And the leader's health problems have once again sparked heated discussions. Is there anything wrong with Merkel's body? Should she inform the public about her health?