diff --git a/Cargo.toml b/Cargo.toml
index 2769f8a..24b3d36 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,8 +16,6 @@ serde_derive = "1.0"
 serde_json = "1.0.128"
 reikna = "0.12.3"
 roots = "0.0.8"
-strum = "0.26.3"
-strum_macros = "0.26.4"
 ixa-derive = { path = "ixa-derive" }
 seq-macro = "0.3.5"
 paste = "1.0.15"
diff --git a/examples/time-varying-infection/main.rs b/examples/time-varying-infection/main.rs
index 53d5627..8445905 100644
--- a/examples/time-varying-infection/main.rs
+++ b/examples/time-varying-infection/main.rs
@@ -2,13 +2,14 @@ use std::path::PathBuf;
 
 use ixa::error::IxaError;
 use ixa::random::ContextRandomExt;
+use ixa::report::ContextReportExt;
 use ixa::{context::Context, global_properties::ContextGlobalPropertiesExt};
+use population_loader::DiseaseStatusType;
 
 mod exposure_manager;
 mod incidence_report;
 mod infection_manager;
 mod parameters_loader;
-mod periodic_report;
 mod population_loader;
 
 use crate::parameters_loader::Parameters;
@@ -31,7 +32,8 @@ fn initialize() -> Result<Context, IxaError> {
     population_loader::init(&mut context);
     infection_manager::init(&mut context);
     incidence_report::init(&mut context)?;
-    periodic_report::init(&mut context)?;
+    // add periodic report
+    context.add_periodic_report("person_property_count", 1.0, (DiseaseStatusType,))?;
 
     context.add_plan(parameters.max_time, |context| {
         context.shutdown();
diff --git a/examples/time-varying-infection/periodic_report.rs b/examples/time-varying-infection/periodic_report.rs
deleted file mode 100644
index fd526c6..0000000
--- a/examples/time-varying-infection/periodic_report.rs
+++ /dev/null
@@ -1,67 +0,0 @@
-use ixa::context::{Context, ExecutionPhase};
-use ixa::error::IxaError;
-use ixa::global_properties::ContextGlobalPropertiesExt;
-use ixa::people::ContextPeopleExt;
-use ixa::report::ContextReportExt;
-use ixa::{create_report_trait, report::Report};
-use std::path::PathBuf;
-use strum::IntoEnumIterator;
-
-use serde::{Deserialize, Serialize};
-
-use crate::parameters_loader::Parameters;
-use crate::population_loader::{DiseaseStatus, DiseaseStatusType};
-
-#[derive(Serialize, Deserialize, Clone)]
-struct PeriodicReportItem {
-    day: f64,
-    // use a string because eventually we want
-    // to be able to report on any property
-    // and want to be able to use this one
-    // struct for all properties, even those of
-    // different types
-    property_value: String,
-    count: usize,
-}
-
-create_report_trait!(PeriodicReportItem);
-
-fn count_people_and_send_report(context: &mut Context) {
-    for disease_state in DiseaseStatus::iter() {
-        let mut counter = 0;
-        for usize_id in 0..context.get_current_population() {
-            if context.get_person_property(context.get_person_id(usize_id), DiseaseStatusType)
-                == disease_state
-            {
-                counter += 1;
-            }
-        }
-        context.send_report(PeriodicReportItem {
-            day: context.get_current_time(),
-            // format macro returns a string which is what
-            // PeriodicReportItem struct expects
-            // for generality across properties
-            property_value: format!("{disease_state:?}"),
-            count: counter,
-        });
-    }
-}
-
-pub fn init(context: &mut Context) -> Result<(), IxaError> {
-    let parameters = context
-        .get_global_property_value(Parameters)
-        .unwrap()
-        .clone();
-    context
-        .report_options()
-        .directory(PathBuf::from(parameters.output_dir));
-    context.add_report::<PeriodicReportItem>("person_property_count")?;
-    context.add_periodic_plan_with_phase(
-        parameters.report_period,
-        |context| {
-            count_people_and_send_report(context);
-        },
-        ExecutionPhase::Last,
-    );
-    Ok(())
-}
diff --git a/examples/time-varying-infection/plot_output.R b/examples/time-varying-infection/plot_output.R
index 7403488..51cdfb8 100644
--- a/examples/time-varying-infection/plot_output.R
+++ b/examples/time-varying-infection/plot_output.R
@@ -63,7 +63,7 @@ person_property_report <- readr::read_csv(file.path(
 ))
 
 ggplot2::ggplot() +
-  geom_point(aes(day, count, color = property_value), person_property_report) +
+  geom_point(aes(t, count, color = DiseaseStatusType), person_property_report) +
   geom_line(aes(time_array_susc, expected_susc), color = "black") +
   xlab("Time") +
   ylab("People") +
diff --git a/examples/time-varying-infection/population_loader.rs b/examples/time-varying-infection/population_loader.rs
index 89f1736..34f4075 100644
--- a/examples/time-varying-infection/population_loader.rs
+++ b/examples/time-varying-infection/population_loader.rs
@@ -4,11 +4,10 @@ use ixa::people::ContextPeopleExt;
 use ixa::{define_person_property, define_person_property_with_default};
 use ordered_float::OrderedFloat;
 use serde::{Deserialize, Serialize};
-use strum_macros::EnumIter;
 
 use crate::parameters_loader::Parameters;
 
-#[derive(Deserialize, Serialize, Copy, Clone, PartialEq, Eq, Debug, EnumIter, Hash)]
+#[derive(Deserialize, Serialize, Copy, Clone, PartialEq, Eq, Debug, Hash)]
 pub enum DiseaseStatus {
     S,
     I,