@DreaWinter76 @CAS2328 @Lujan588 @IanCopeland5 Plenty do use placebos. Easy to find with a quick search. Here is one for a more recently approved vaccine. https://t.co/EZ1aAyjLp7
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@Taradea08775439 @Africanconcrete @Cernovich That statement is patently false. Every drug approved by the FDA goes through rigorous safety AND efficacy testing. This is knowable information if you cared to look for it. https://t.co/LsbPNWSbyx https://t.co/
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@dracecicastillo q espera si expertos forman parte de los interesados http://t.co/tNaDgAybVc
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Dos dosis de #vacuna frente al meningococo B protegen al adolescente de manera eficaz y segura, artículo de Lancet: http://t.co/ym9MX3bWhS