Nigerian-trained doctors are among the largest groups of international medical professionals serving the NHS.
Mr Harry, 38, was smiling as he arrived at the abbey dressed in a morning suit and with medals on his chest.
Russia has not been invited because of Vladimir Putin’s invasion of Ukraine, diplomatic sources said.
The 73-year-old monarch met with Truss at Buckingham Palace in London Friday, marking their first formal meeting in their new roles.
The Queen was moved to the Balmoral following concerns from her doctors.
Prince William, the Duke of Cambridge, has warned that the increasing human population in Africa is affecting the continent’s wildlife.
We will do whatever it takes to protect our national game. Be in no doubt, if they can’t act, we will,” British sports minister told parliament.
Buckingham Palace has confirmed the illness is not connected to the coronavirus.
