reasonable security concerns of the russians. that all sides have had actions that amp up the crisis. a bit chiding there, i think. analysts are of the view that it s unlikely china would take strong steps to back washington and its standoff with russia. back washington and its standoff with russia- with russia. barbara platt usher followin: with russia. barbara platt usher following the with russia. barbara platt usher following the latest with russia. barbara platt usher i following the latest developments with russia. barbara platt usher - following the latest developments on that story for us from russia. thank you forjoining us on newsday. us based moderna says it is on track for an 0micron specific vacine. there are questions about the extent of new shots needed in the two year pandemic and if moderna, pfizer and astrazeneca among others can keep pace with mutations. moderna s chief medical officer dr paul burton, joins us to give an update on the company s 0micron specific
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