diff --git a/app/controllers/events_controller.rb b/app/controllers/events_controller.rb
index 27537f4dc..cf4e915e5 100644
--- a/app/controllers/events_controller.rb
+++ b/app/controllers/events_controller.rb
@@ -122,18 +122,18 @@ def index
     registrants = total.positive? && aggregations.blank? || aggregations.include?("query_aggregations")  ? facet_by_registrants(response.response.aggregations.registrants.buckets) : nil
     pairings = total.positive? && aggregations.blank? || aggregations.include?("query_aggregations") ? facet_by_pairings(response.response.aggregations.pairings.buckets) : nil
     dois = total.positive? && aggregations.blank? || aggregations.include?("query_aggregations") ? facet_by_dois(response.response.aggregations.dois.buckets) : nil
-    dois_usage = total.positive? && params[:doi].present? ? EventsQuery.new.usage(params[:doi]) : nil
+    dois_usage = total.positive? ? EventsQuery.new.usage(params[:doi]) : nil
     # dois_citations = total.positive? && aggregations.blank? || aggregations.include?("query_aggregations") ? facet_citations_by_year_v1(response.response.aggregations.dois_citations) : nil
-    citations = total.positive? && params[:doi].present? ? EventsQuery.new.citations(params[:doi]) : nil
-    citations_histogram = total.positive? && params[:doi].present? ? EventsQuery.new.citations_histogram(params[:doi]) : nil
-    references = total.positive? && params[:doi].present? &&  aggregations.include?("citations_aggregations") ? facet_citations_by_dois(response.response.aggregations.references.dois.buckets) : nil
-    relations = total.positive? && params[:doi].present? &&  aggregations.include?("citations_aggregations") ? facet_citations_by_dois(response.response.aggregations.relations.dois.buckets) : nil
+    citations = total.positive? ? EventsQuery.new.citations(params[:doi]) : nil
+    citations_histogram = total.positive? ? EventsQuery.new.citations_histogram(params[:doi]) : nil
+    references = total.positive? &&  aggregations.include?("citations_aggregations") ? facet_citations_by_dois(response.response.aggregations.references.dois.buckets) : nil
+    relations = total.positive? &&  aggregations.include?("citations_aggregations") ? facet_citations_by_dois(response.response.aggregations.relations.dois.buckets) : nil
 
-    views_histogram = total.positive? && params[:doi].present? ? EventsQuery.new.views_histogram(params[:doi]) : nil
-    downloads_histogram = total.positive? && params[:doi].present? ? EventsQuery.new.downloads_histogram(params[:doi]) : nil
+    views_histogram = total.positive? ? EventsQuery.new.views_histogram(params[:doi]) : nil
+    downloads_histogram = total.positive? ? EventsQuery.new.downloads_histogram(params[:doi]) : nil
 
-    views = total.positive? && params[:doi].present? ? EventsQuery.new.views(params[:doi]) : nil
-    downloads = total.positive? && params[:doi].present? ? EventsQuery.new.downloads(params[:doi]) : nil
+    # views = total.positive? ? EventsQuery.new.views(params[:doi]) : nil
+    # downloads = total.positive? ? EventsQuery.new.downloads(params[:doi]) : nil
     unique_obj_count = total.positive? && aggregations.include?("advanced_aggregations") ? response.response.aggregations.unique_obj_count.value : nil
     unique_subj_count = total.positive? && aggregations.include?("advanced_aggregations") ? response.response.aggregations.unique_subj_count.value : nil
  
@@ -162,9 +162,9 @@ def index
         "subjCount": unique_subj_count
       },
       "viewsHistogram": views_histogram,
-      "views": views,
-      "downloadsHistogram": downloads_histogram,
-      "downloads": downloads
+      # "views": views,
+      "downloadsHistogram": downloads_histogram
+      # "downloads": downloads
     }.compact
 
     options[:links] = {
diff --git a/app/queries/events_query.rb b/app/queries/events_query.rb
index d9ce825dd..0018fb7b4 100644
--- a/app/queries/events_query.rb
+++ b/app/queries/events_query.rb
@@ -19,6 +19,7 @@ def initialize
   end
 
   def doi_citations(doi)
+    return nil unless doi.present?
     pid = Event.new.normalize_doi(doi)
     query = "(subj_id:\"#{pid}\" AND (relation_type_id:#{PASSIVE_RELATION_TYPES.join(' OR relation_type_id:')})) OR (obj_id:\"#{pid}\" AND (relation_type_id:#{ACTIVE_RELATION_TYPES.join(' OR relation_type_id:')}))"
     results = Event.query(query, doi: doi, aggregations: "citation_count_aggregation", page: { size: 1, cursor: [] }).response.aggregations.citations.buckets
@@ -26,12 +27,14 @@ def doi_citations(doi)
   end
 
   def citations(doi)
+    return {} unless doi.present?
     doi.downcase.split(",").map do |item|
       { id: item, count: EventsQuery.new.doi_citations(item) }
     end
   end
 
   def citations_histogram(doi)
+    return {} unless doi.present?
     pid = Event.new.normalize_doi(doi.downcase.split(",").first)
     query = "(subj_id:\"#{pid}\" AND (relation_type_id:#{PASSIVE_RELATION_TYPES.join(' OR relation_type_id:')})) OR (obj_id:\"#{pid}\" AND (relation_type_id:#{ACTIVE_RELATION_TYPES.join(' OR relation_type_id:')}))"
     results = Event.query(query, doi: doi, aggregations: "yearly_histogram_aggregation", page: { size: 1, cursor: [] }).response.aggregations
@@ -40,18 +43,21 @@ def citations_histogram(doi)
 
 
   def doi_views(doi)
+    return nil unless doi.present?
     query = "(relation_type_id:unique-dataset-investigations-regular AND source_id:datacite-usage)"
     results = Event.query(query, doi: doi, aggregations: "usage_count_aggregation", page: { size: 1, cursor: [] }).response.aggregations.usage.buckets
     results.any? ? results.first.dig("total_by_type", "value") : 0
   end
 
   def views(doi)
+    return {} unless doi.present?
     doi.downcase.split(",").map do |item|
       { id: item, count: EventsQuery.new.doi_views(item) }
     end
   end
 
   def views_histogram(doi)
+    return {} unless doi.present?
     doi = doi.downcase.split(",").first
     query = "(relation_type_id:unique-dataset-investigations-regular AND source_id:datacite-usage)"
     results = Event.query(query, doi: doi, aggregations: "monthly_histogram_aggregation", page: { size: 1, cursor: [] }).response.aggregations
@@ -59,18 +65,21 @@ def views_histogram(doi)
   end
 
   def doi_downloads(doi)
+    return nil unless doi.present?
     query = "(relation_type_id:unique-dataset-requests-regular AND source_id:datacite-usage)"
     results = Event.query(query, doi: doi, aggregations: "usage_count_aggregation", page: { size: 1, cursor: [] }).response.aggregations.usage.buckets
     results.any? ? results.first.dig("total_by_type", "value") : 0
   end
 
   def downloads(doi)
+    return {} unless doi.present?
     doi.downcase.split(",").map do |item|
       { id: item, count: EventsQuery.new.doi_downloads(item) }
     end
   end
 
   def downloads_histogram(doi)
+    return {} unless doi.present?
     doi = doi.downcase.split(",").first
     query = "(relation_type_id:unique-dataset-requests-regular AND source_id:datacite-usage)"
     results = Event.query(query, doi: doi, aggregations: "monthly_histogram_aggregation", page: { size: 1, cursor: [] }).response.aggregations
@@ -78,6 +87,7 @@ def downloads_histogram(doi)
   end
 
   def usage(doi)
+    return {} unless doi.present?
     doi.downcase.split(",").map do |item|
       pid = Event.new.normalize_doi(item)
       requests = EventsQuery.new.doi_downloads(item)