
Missing from the world stage —
Argentine President Cristina Fernandez de Kirchner hasn't made a public appearance for nearly a month, prompting speculation about her health. She's not the first world leader to go off the grid. Check out some others:

Missing from the world stage —
Algerian President Abdelaziz Bouteflika suffered a ministroke in April and hasn't appeared as much in public since then. State media reported on January 14 that he's in Paris for a routine checkup and that his health is improving.

Missing from the world stage —
As he battled cancer, Venezuelan President Hugo Chavez flew to Cuba for treatment and stopped his once-frequent TV appearances. He died in March at 58.

Missing from the world stage —
Pregnancy rumors swirled when North Korean first lady Ri Sol Ju disappeared for months in 2012. Officials never announced whether the rumors were true. But former basketball star Dennis Rodman has called President Kim Jong Un a "good dad" and said he cradled the couple's baby girl last year.

Missing from the world stage —
Rumors about health problems, car crashes and even assassination surged when China's then-Vice President Xi Jinping disappeared from public in 2012. Xi, now China's President, reappeared two weeks later.

Missing from the world stage —
When Syrian Vice President Farouq al-Sharaa wasn't seen publicly in August 2012, rebels claimed he'd defected. But al-Sharaa resurfaced at meetings in Damascus more than a week later, making it clear that he hadn't left the government.

Missing from the world stage —
Former President John Atta Mills of the West African nation of Ghana scaled back public appearances and made a medical trip to the United States shortly before he died in July 2012.

Missing from the world stage —
Former Nigerian President Umaru Musa Yar'Adua went to Saudia Arabia to be treated for inflammation of tissue around his heart in 2009. No further news came from him until almost two months later, when he gave the BBC an interview from his hospital bed. He died several months later.


