query: ##defaultView:BubbleChart
  #Most cited publications on Zika virus or Zika fever
  SELECT ?publication ?publicationLabel (COUNT(?publication) AS ?count)
  WHERE
  {
      ?item wdt:P2860 ?publication .
      { ?publication wdt:P921 wd:Q202864 . } UNION { ?publication wdt:P921 wd:Q8071861 . }
  	SERVICE wikibase:label {
  		bd:serviceParam wikibase:language "en" .
         ?publication rdfs:label ?publicationLabel
  	}
  }
  GROUP BY ?publication ?publicationLabel
  ORDER BY DESC(?count)
  