diff --git a/hail_search/queries/base.py b/hail_search/queries/base.py
index db7a02c8e2..3f9784b80d 100644
--- a/hail_search/queries/base.py
+++ b/hail_search/queries/base.py
@@ -697,7 +697,7 @@ def passes_quality_field(gt):
     def _passes_vcf_filters(gt):
         return hl.is_missing(gt.filters) | (gt.filters.length() < 1)
 
-    def _parse_variant_keys(self, variant_keys=None, **kwargs):
+    def _parse_variant_keys(self, variant_keys):
         return [hl.struct(**{self.KEY_FIELD[0]: key}) for key in (variant_keys or [])]
 
     def _prefilter_entries_table(self, ht, **kwargs):
@@ -728,12 +728,15 @@ def _filter_rs_ids(self, ht, rs_ids):
         rs_id_set = hl.set(rs_ids)
         return ht.filter(rs_id_set.contains(ht.rsid))
 
-    def _parse_intervals(self, intervals, gene_ids=None, **kwargs):
-        parsed_variant_keys = self._parse_variant_keys(**kwargs)
+    def _parse_intervals(self, intervals, gene_ids=None, variant_keys=None, variant_ids=None, **kwargs):
+        parsed_variant_keys = self._parse_variant_keys(variant_keys)
         if parsed_variant_keys:
             self._load_table_kwargs['variant_ht'] = hl.Table.parallelize(parsed_variant_keys).key_by(*self.KEY_FIELD)
             return intervals
 
+        if variant_ids:
+            intervals = [(chrom, pos, pos+1) for chrom, pos, _, _ in variant_ids]
+
         is_x_linked = self._inheritance_mode == X_LINKED_RECESSIVE
         if not (intervals or is_x_linked):
             return intervals
@@ -1216,15 +1219,19 @@ def gene_counts(self):
             ht.gene_ids, hl.struct(total=hl.agg.count(), families=hl.agg.counter(ht.families))
         ))
 
+    def _filter_variant_ids(self, ht, variant_ids):
+        return ht
+
     def lookup_variants(self, variant_ids, include_project_data=False, **kwargs):
         self._parse_intervals(intervals=None, variant_ids=variant_ids, variant_keys=variant_ids)
         ht = self._read_table('annotations.ht', drop_globals=['versions'])
+        ht = self._filter_variant_ids(ht, variant_ids)
         ht = ht.filter(hl.is_defined(ht[XPOS]))
 
         annotation_fields = self.annotation_fields(include_genotype_overrides=False)
         include_sample_annotations = False
         if include_project_data:
-            ht, include_sample_annotations = self._add_project_lookup_data(ht, annotation_fields, **kwargs)
+            ht, include_sample_annotations = self._add_project_lookup_data(ht, annotation_fields, variant_ids=variant_ids, **kwargs)
         if not include_sample_annotations:
             annotation_fields = {
                 k: v for k, v in annotation_fields.items()
diff --git a/hail_search/queries/mito.py b/hail_search/queries/mito.py
index 0cfe9fbdbb..ebadd65883 100644
--- a/hail_search/queries/mito.py
+++ b/hail_search/queries/mito.py
@@ -394,30 +394,25 @@ def _filter_variant_ids(self, ht, variant_ids):
             variant_id_q = ht.alleles == [variant_ids[0][2], variant_ids[0][3]]
         else:
             variant_id_q = hl.any([
-                (ht.locus == hl.locus(chrom, pos, reference_genome=self.GENOME_VERSION)) &
+                (ht.locus == hl.locus(f'chr{chrom}' if self._should_add_chr_prefix() else chrom, pos, reference_genome=self.GENOME_VERSION)) &
                 (ht.alleles == [ref, alt])
                 for chrom, pos, ref, alt in variant_ids
             ])
         return ht.filter(variant_id_q)
 
-    def _parse_variant_keys(self, variant_ids=None, **kwargs):
-        if not variant_ids:
-            return variant_ids
+    def _parse_variant_keys(self, variant_keys):
+        return None
 
-        return [
-            hl.struct(
-                locus=hl.locus(f'chr{chrom}' if self._should_add_chr_prefix() else chrom, pos, reference_genome=self.GENOME_VERSION),
-                alleles=[ref, alt],
-            ) for chrom, pos, ref, alt in variant_ids
-        ]
-
-    def _prefilter_entries_table(self, ht, parsed_intervals=None, exclude_intervals=False, **kwargs):
+    def _prefilter_entries_table(self, ht, parsed_intervals=None, exclude_intervals=False, variant_ids=None, **kwargs):
         num_intervals = len(parsed_intervals or [])
         if exclude_intervals and parsed_intervals:
             ht = hl.filter_intervals(ht, parsed_intervals, keep=False)
         elif num_intervals >= MAX_LOAD_INTERVALS:
             ht = hl.filter_intervals(ht, parsed_intervals)
 
+        if variant_ids:
+            ht = self._filter_variant_ids(ht, variant_ids)
+
         if '_n_partitions' not in self._load_table_kwargs and num_intervals > self._n_partitions:
             ht = ht.naive_coalesce(self._n_partitions)
 
@@ -513,10 +508,11 @@ def _omim_sort(cls, r, omim_gene_set):
     def _gene_rank_sort(cls, r, gene_ranks):
         return [gene_ranks.get(r.selected_transcript.gene_id)] + super()._gene_rank_sort(r, gene_ranks)
 
-    def _add_project_lookup_data(self, ht, annotation_fields, *args, **kwargs):
+    def _add_project_lookup_data(self, ht, annotation_fields, *args, variant_ids=None, **kwargs):
         # Get all the project-families for the looked up variant formatted as a dict of dicts:
         # {<project_guid>: {<sample_type>: {<family_guid>: True}, <sample_type_2>: {<family_guid_2>: True}}, <project_guid_2>: ...}
         lookup_ht = self._read_table('lookup.ht', skip_missing_field='project_stats')
+        lookup_ht = self._filter_variant_ids(lookup_ht, variant_ids)
         if lookup_ht is None:
             raise HTTPNotFound()
         variant_projects = lookup_ht.aggregate(hl.agg.take(
@@ -536,11 +532,12 @@ def _add_project_lookup_data(self, ht, annotation_fields, *args, **kwargs):
                 lambda project_data: hl.dict(project_data.starmap(
                     lambda project_key, families: (project_key[1], families)
             )))), 1)
-        )[0]
+        )
 
         # Variant can be present in the lookup table with only ref calls, so is still not present in any projects
-        if not variant_projects:
+        if not (variant_projects and variant_projects[0]):
             raise HTTPNotFound()
+        variant_projects = variant_projects[0]
 
         self._has_both_sample_types = True
         annotation_fields.update({