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After the first detected case of the Omicron variant in the US, the World Health Organization has issued guidance against travel bans. WHO spokesperson Dr. Margaret Harris joins CNN's Brianna Keilar to discuss.

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Matthew Davidson was one of the more than 100,000 people to die from a drug overdose in the US from May 2020 to April 2021. CNN's Miguel Marquez speaks to his mother on how she works to stop others from joining that statistic.