Andrei Belousov made the comments as the Kremlin spokesman said it was too early to congratulate Joe Biden as the winner of the U.S. election.
The president-elect has previously blamed Putin's regime for the poisoning of Alexey Navalny, vowing to work with allies to hold the Russian leader's government "accountable for its crimes."
Russian politicians and media hold little hope that ties between Moscow and Washington will improved regardless of the election's final outcome.
Scott Atlas told RT Saturday that government lockdown measures, and to a lesser extent coronavirus, are what's really killing people.
Former Russian foreign minister Igor Ivanov said Trump has been unable to revive U.S.-Russian ties despite his warmth towards President Vladimir Putin.
Russian officials have repeatedly framed complaints about election meddling as fake news and Russophobia.
U.S. senators have introduced a bi-partisan bill titled the "Holding Russia Accountable for Malign Activities Act of 2020."
State Duma speaker Vyacheslav Volodin said foreign operators such as German intelligence agents may have poisoned the Kremlin critic.
The former U.S. Secretary of State John Kerry told MSNBC that the U.S. president is not willing to stand up to his Russian counterpart.
Despite global condemnation of the Novichok attack on the Kremlin critic, the E.U. and the U.S. may find it hard to sanction Russia.
The alliance's secretary general Jens Stoltenberg said that the use of such a poison was "horrific."
No amount of U.S. sanctions or diplomatic isolation is likely to change how the Kremlin deals with internal challenges to its authority. And the fact is, the U.S. and Russia have business to do.
The suspected poisoning on the Russian opposition figure bears the hallmarks of the 2018 attack on Sergei Skripal and his daughter Yulia, and a Bulgarian arms maker, Der Spiegel reported.
Yevgeny Prigozhin has said he would chase the Kremlin critic who is in a coma for a court-ordered penalty of $1.2 million.
Doctors at Charitè Hospital in Berlin confirmed that the Russian opposition leader was poisoned with a cholinesterase inhibitor substance.
The Putin critic was flown to Berlin where he is undergoing treatment for suspected poisoning.
The alleged poison attack on Russian opposition figure highlights President Donald Trump's relationship with Vladimir Putin.
The Russian president is weighing up his options as protests and a brutal crackdown continue in neighboring Belarus after the disputed presidential election.
The interim governor of Khabarovsk Region, Mikhail Degtyarev, gave an interview to Kommersant after days of protests against his Kremlin appointment.
Tens of thousands have taken to the streets in Russia's far east for the past three weekends.
Consequences could include financial-sector sanctions, asset freezes, cyber responses, or other actions, "depending on the nature of the attack," Biden wrote.
Russian President Vladimir Putin said Sunday that constitutional amendments, which were approved on July 1 and could make him eligible to remain in power for years to come, are part of the country's "progressive development."
Vladimir Zharinov quit his job with Vesti as he refused to promote constitutional amendments he considered "a historic crime."
The identities of the women who are reportedly the children of the Russian president are akin to a state secret.
Kremlin spokesman voiced concerns that the unrest in the U.S. makes Washington an unpredictable partner.
Russian president has been under fire for his coronavirus response, with a spike in cases expected in Moscow.
"We believe people should know if the news they read is coming from a publication that may be under the influence of a government," said Facebook cyber policy executive Nathaniel Gleicher.