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Top Pfizer scientist on COVID-19 vaccine

Pfizer announced it will supply 200 million doses of its COVID-19 vaccine for the U.S. by the end of May and is aiming to ship 2 billion doses globally this year. The vaccine is over 90% effective according to clinical trials conducted in 2020, but more testing needs to be done to see how well it protects against the new variants. Dr. Phil Dormitzer, who helped develop the vaccine as vice president and chief scientific officer of viral vaccines at Pfizer, joins CBSN to discuss.

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Drugmakers respond to COVID-19 variants

Johnson and Johnson has reported promising results from its single-dose coronavirus vaccine and plans to apply for emergency use authorization in early February. Meanwhile, the virus variant first identified in South Africa has now been found in the United States. CBS News' Mola Lenghi reports, and Dr. Bob Lahita spoke with CBSN's Anne-Marie Green and Vladimir Duthiers about the highly contagious new strain and the work drugmakers are doing to fight variants that continue to appear.

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E.U. and U.K. tensions rise over vaccine supply

The United Kingdom has become the first European country to surpass 100,000 coronavirus deaths as shortfalls from European vaccine manufacturers pits the country against the European Union for the supply. The E.U. is threatening to prevent companies like Pfizer and AstraZeneca from exporting any vaccine orders until its own citizens receive doses, which also creates issues for developing nations in dire need of vaccinations. CBS News' Charlie D'Agata joins CBSN AM to discuss.

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WorldView: 11 Chinese miners rescued

Rescue workers in China extracted 11 trapped miners but also found the bodies of nine who died. Also, more than 3,000 people in Russia were detained in anti-Putin demonstrations across the country, and police in the Netherlands used water cannons and tear gas to clear demonstrators angry over new coronavirus restrictions. Meanwhile, Australian officials approved the use of Pfizer's COVID-19 vaccine. CBS News foreign correspondent Ian Lee joined "CBSN AM" from London with those stories.

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