Oxford coronavirus vaccine shows strong immune response in early trial

Sunday marked the 41st straight day that the seven-day average for new daily coronavirus infections in the U.S. trended upward. CBS News' Laura Podesta reports on the latest developments and Dr. Ron Elfenbein joins CBSN to discuss a new study on the vaccine being developed by Oxford University, plus how face masks helped protect dozens of clients from getting infected at a hair salon in Missouri.

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