US President-elect Joe Biden on Thursday commented in an interview with CNN on the elimination of senior Iranian nuclear scientist Mohsen Fakhrizadeh.

Biden said that it is "hard to tell" how complicated his plan to negotiate a new nuclear deal with Iran will be following the killing of Fakhrizadeh.

He acknowledged that negotiating with Iran “is going to be hard” but added that in order to ensure Iran never gets a nuclear bomb, the US “cannot do this alone. And that’s why we have to be part of a larger group.”

Biden also said that, on the day of his inauguration, he plans to ask the public to wear a mask for at least 100 days.

"Just 100 days to mask, not forever. 100 days. And I think we'll see a significant reduction." Biden told Jake Tapper in the interview, which was conducted jointly with Vice President-elect Kamala Harris.

Biden described his coronavirus plans as a balance between ensuring that Americans believe the vaccine is safe and instituting a number of plans that will curb the spread of the virus without shutting down the economy.

He also said during the interview that he will be "happy to" get a coronavirus vaccine and will get it publicly to demonstrate his confidence in it.

"That's the moment in which I will stand before the public" and get the vaccine, Biden said. "People have lost faith in the ability of the vaccine to work. Already the numbers are really staggeringly low, and it matters what the President and Vice President do."

He further noted that he has asked Dr. Anthony Fauci to be a chief medical adviser and part of his COVID-19 response team when his administration begins next year.

"I asked him to stay on the exact same role he's had for the past several presidents, and I asked him to be a chief medical adviser for me as well, and be part of the COVID team," said Biden.

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