- Biden doubled down Friday on his administration’s plea to Americans to get vaccinated against Covid-19 as quickly as possible.
- CDC Director Dr. Rochelle Walensky said earlier Friday she expects delta to become the dominant variant in the United States.
- Studies suggest delta is around 60% more transmissible than alpha, the variant first identified in the United Kingdom.
Source: Biden says delta Covid variant is ‘particularly dangerous’ for young people
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