A new study shows that Pfizer and Moderna vaccines are less effective against the South African variant of the virus. Big Number29,099,393. Brazil now leads the world in new cases. What they're saying: "All this is good news," said Rochelle Walensky, director of the Centers for Disease Control and Prevention, during a briefing Wednesday. However, there are concerns that Pfizer and Modernas vaccines, the first two of three approved for use in the U.S., will not be able to defend against new variants as well.
Pfizer and Amadeus vaccines can be cured with a Pfzinger or a Braunger.
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    :ARG1 (z1 / cure-01
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                                                    :op1 "Pfizer")))
                        :op2 (z6 / vaccine
                                 :name (z7 / name
                                           :op1 "Amadeus")))
              :instrument (z8 / or
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                                       :name (z10 / name
                                                  :op1 "Pfzinger"))
                              :op2 (z11 / company
                                        :name (z12 / name
                                                   :op1 "Braunger")))))
Pfizer and Amadeus vaccines can be cured with a Pfzinger or a Braunger .
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