nprnews_____ = ||| lubuntu at wor2 1TXN|||The Biden Administration Is Working To Buy 200 Million More COVID-19 Vaccine Doses||| kickerpage = |||no kicker pagenpr for NPRNEWS||| summarynpr = |||The Biden administration says it plans to buy an additional 100 million doses from both Moderna and from Pfizer and pledges greater transparency with state and local leaders about supply expectations.