Why are there Doubts about Vaccines
Efficacy yet in 2018? by João Paulo Martins do Carmo in Crimson publishers
https://crimsonpublishers.com/cjmi/pdf/CJMI.000538.pdf

Despite many articles that have been already published in
this Cohesive Journal of Microbiology and Infectious Disease, it
is important to stress that some of them are not necessarily in
agreement with the view of this editor. Especially the ones called
“opinion”, in which their authors expresses what they think. But
even when a scientist thinks in writing, it is good tone to show
some references, because if they can’t reference their opinion,
there might be some references in return showing disagreement
or contradictions to their simplistic view. If you don’t believe in
vaccines, for example, you should reference which vaccine does
not work and why, scientifically, so that the discussion should
be open to anyone who would like to debate it. Generalizations
are not scientific, not safe and do not contribute to the scientific
advancement of knowledge.
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