Contact tracing
Backward vs. forward contact tracing
Kojaku2020effectiveness shows why backward contact tracing can leverage the heterogeneous network structure and skewed offspring distribution. Although Juul2022comparing pointed out that the effectiveness can be overestimated, depending on the disease parameters.
Meijere2023limited argues that forward contact tracing has a limited efficacy.
Validation
Raymenants2022empirical showed that backward contact tracing indeed works well with COVID-19.
Boelsums2023value reported a null result for manual implementation of backward contact tracing.
Other domains
The idea of backward tracing can probably be applied to misinformation as well. For instance, Kim2020leveraging is similar to backward contact tracing. Contact tracing for misinformation
Digital contact tracing
Ferretti2020quantifying about the opportunities of digital contact tracing. COVID 19 pandemic proved this is difficult.