Russia's president has cancelled a trip out of Moscow and is expected to nix two more events from his schedule this week, with his spokesman Dmitry Peskov confirming that he "has picked up a cold but he will keep working" according to the the Kommersant newspaper.
Putin, 64, has scrapped two public engagements - a "meeting on microelectronics" today and "the Mentor forum" on Wednesday, the Kremlin said in a statement.
Another source is reported to have said Putin "was not well" when he met Palestinian leader Mahmoud Abbas on Monday.
Mukto was sports minister when Russian Federation hosted the 2014 Winter Olympics and had been beset with allegations of widespread use of performance-enhancing drugs among top athletes in that country.
Despite missing these public events, Peskove said "everything is fine" with Putin, who will hold several other meetings and an global telephone call on Wednesday.
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The Palestinian leader is visiting Moscow in a bid to secure Putin's support after the U.S. president outraged the Palestinians and their allies by recognising Jerusalem as Israel's capital.
Putin is now in the middle of his campaign for re-election when Russian Federation goes to the polls next month, on March 18. Stone has faced criticism since the release for asking the Russian president softball questions.
Peskov later said that Putin's engagements had been cancelled because he has "a cold".
But in 2013, Putin himself admitted to having a cold while on a tour of Russian Federation - an illness he blamed on "excessive air conditioning".