German Chancellor Angela Merkel opted to sit through a ceremony welcoming Danish Prime Minister Mette Frederiksen to Berlin on Thursday, a day after she suffered her third bout of shaking in less than a month during a similar event.
On Wednesday, Mrs Merkel shook as she stood alongside Finland's prime minister at the same spot.
The shaking on Wednesday was less severe than during the first episode in June, when she appeared unsteady and shook as she stood next to Ukrainian President Volodymyr Zelensky.
On Wednesday, she gave no details of any medical advice or treatment she has been given.
Frederiksen, who has just assumed office but had met Merkel at last week's European Union summit, told Thursday's news conference: "When you ask me that directly about how I experienced the chancellor, I'd say just as strong and competent as my impression was before I came to Berlin today".
"You can assume that firstly, I know the responsibilities of my office and that I therefore act accordingly with regard to my health", Merkel said at the joint news conference with Frederiksen.
In November 2016, when announcing that she would seek a fourth term as chancellor, Merkel said: "It is a decision not just for an election campaign but about the next four years ... if health allows it".
A keen hiker too, Merkel herself once revealed that she has a "camel-like" ability to store energy for sleepless all-night summits.
Merkel, who has been German leader since 2005, turns 65 on July 17.
Like yesterday, she repeatedly attempted to clasp her hands in an attempt to futilely stop her shaking.
On June 27, she was seen shaking for a second time, during a swearing-in ceremony at the Presidency.
Mrs Merkel, who has led Germany since November 2005, said past year that she will not seek a fifth term as chancellor and will not seek any other political job after her current term ends in 2021.
It said she should state clearly whether she has undergone medical tests to get to the bottom of the mysterious trembling spells.
"This means that people are not becoming younger but maybe more experienced".
"I am fine", she told reporters after her meeting with Rinne. It looks quite dramatic.
Medical experts have played down speculation about the shaking, saying there are multiple potential causes of tremor.
Merkel is famously private, only rarely making public appearances with her husband.
"I am very firmly convinced that I am entirely capable of performing", she added. This is a stark contrast to her predecessor Gerhard Schroeder - who faced questions in office about his marriage and whether he dyed his hair.
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