Variant

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Singapore has warned it may need to reimpose Covid-19 restrictions if a new outbreak of the highly infectious Delta variant is not contained, putting at risk the city's shift towards living with the virus. ...
Thousands of college students have returned to Amherst, Mass., for the start of the fall semester, fueling hopes for the local economy to return to something like normal. ...
UCSF Infectious Disease expert Dr. Monica Gandhi joins Morning Joe to discuss the spread of the delta variant and when she believes the transmission of the variant will slow its pace. ...
The country's national coronavirus czar Salman Zarka said the country needs to prepare for a fourth injection, which could be modified to better protect against new variants of the virus. ...

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