Comment on Martha Lillard, last US polio patient using iron lung, dies at 78 in OklahomaparentComments−bawolff2moHopefully though we will slowly wean off the live vaccine. For the most part the live vaccine is only used in developing countries. There are a bunch of factors that make that difficult but i think eventually we will get there.
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Hopefully though we will slowly wean off the live vaccine. For the most part the live vaccine is only used in developing countries. There are a bunch of factors that make that difficult but i think eventually we will get there.