PropertyValue
?:abstract
  • Ecological studies are one of the most common study designs used to establish the association between certain factors and disease development However, they have limitations mainly on how to measure the variables, so their results must be verified in studies with greater validity The possible link between increased mortality from COVID-19 and non-vaccination by Bacillus Calmette-Guerin (BCG) is in doubt, due to the lack of rigor in the study methodology
is ?:annotates of
?:creator
?:journal
  • Revista_Medica_del_Instituto_Mexicano_del_Seguro_Social
?:license
  • unk
?:publication_isRelatedTo_Disease
?:source
  • WHO
?:title
  • Relationship between BCG vaccination and increased mortality from COVID-19 An ecological fallacy? [Spanish]
?:type
?:who_covidence_id
  • #832612
?:year
  • 2020

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