Evidence map›Paper›PMID 34453047›Full record

ArticleNature communications2021

A pre-registered short-term forecasting study of COVID-19 in Germany and Poland during the second wave.

J Bracher, D Wolffram, J Deuschel, K Görgen, J L Ketterer, A Ullrich, S Abbott, M V Barbarossa, D Bertsimas, S Bhatia and 29 more

Abstract read
In one paragraph

Article in Nature communications, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 46 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
46citing papers in PubMed, 2 pooled it
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

46 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
  3. Article
  4. Leveraging probabilistic forecasts for dengue preparedness and control: The 2024 Dengue Forecasting Sprint in Brazil.Proceedings of the National Academy of Sciences of the United States of America · 2026
    Article
  5. Viruses · 2025
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  20. [Forecasting models to guide intensive care COVID-19 capacities in Germany].Medizinische Klinik, Intensivmedizin und Notfallmedizin · 2023
    Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

39 authors.

J BracherChair of Statistics and Econometrics, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany. johannes.bracher@kit.edu.ORCID 0000-0002-3777-1410
D WolfframChair of Statistics and Econometrics, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany.ORCID 0000-0003-0318-3669
J DeuschelChair of Statistics and Econometrics, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany.ORCID 0000-0001-7070-2241
K GörgenChair of Statistics and Econometrics, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany.ORCID 0000-0002-7223-6085
J L KettererChair of Statistics and Econometrics, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany.ORCID 0000-0002-1192-7165
A UllrichRobert Koch Institute (RKI), Berlin, Germany.ORCID 0000-0002-4894-6124
S AbbottLondon School of Hygiene and Tropical Medicine, London, UK.
M V BarbarossaFrankfurt Institute for Advanced Studies, Frankfurt, Germany.
D BertsimasSloan School of Management, Massachusetts Institute of Technology, Cambridge, MA, USA.
S BhatiaMRC Centre for Global Infectious Disease Analysis, Abdul Latif Jameel Institute for Disease and Emergency Analytics (J-IDEA), Imperial College London, London, UK.ORCID 0000-0001-6525-101X
M BodychWroclaw University of Science and Technology, Wroclaw, Poland.ORCID 0000-0001-6390-0338
N I BosseLondon School of Hygiene and Tropical Medicine, London, UK.ORCID 0000-0002-7750-5280
J P BurgardEconomic and Social Statistics Department, University of Trier, Trier, Germany.ORCID 0000-0002-5771-6179
L CastroInformation Systems and Modeling, Los Alamos National Laboratory, Los Alamos, NM, USA.ORCID 0000-0002-9778-570X
G FairchildInformation Systems and Modeling, Los Alamos National Laboratory, Los Alamos, NM, USA.ORCID 0000-0001-5500-8120
J FuhrmannFrankfurt Institute for Advanced Studies, Frankfurt, Germany.
S FunkLondon School of Hygiene and Tropical Medicine, London, UK.ORCID 0000-0002-2842-3406
K GogolewskiInstitute of Informatics, University of Warsaw, Warsaw, Poland.ORCID 0000-0001-5523-5198
Q GuDepartment of Computer Science, University of California, Los Angeles, CA, USA.ORCID 0000-0001-9830-793X
S HeyderInstitute of Mathematics, Technische Universität Ilmenau, Ilmenau, Germany.ORCID 0000-0002-3371-4072
T HotzInstitute of Mathematics, Technische Universität Ilmenau, Ilmenau, Germany.
Y KheifetzInstitute for Medical Informatics, Statistics and Epidemiology, University of Leipzig, Leipzig, Germany.
H KirstenInstitute for Medical Informatics, Statistics and Epidemiology, University of Leipzig, Leipzig, Germany.ORCID 0000-0002-3126-7950
T KruegerWroclaw University of Science and Technology, Wroclaw, Poland.
E KrymovaSwiss Data Science Center, ETH Zurich and EPFL, Lausanne, Switzerland.ORCID 0000-0002-5313-3451
M L LiOperations Research Center, Massachusetts Institute of Technology, Cambridge, MA, USA.ORCID 0000-0002-2456-4834
J H MeinkeJülich Supercomputing Centre, Forschungszentrum Jülich, Jülich, Germany.ORCID 0000-0003-2831-9761
I J MichaudStatistical Sciences Group, Los Alamos National Laboratory, Los Alamos, NM, USA.ORCID 0000-0003-3349-0467
K NiedzielewskiInterdisciplinary Centre for Mathematical and Computational Modeling, University of Warsaw, Warsaw, Poland.ORCID 0000-0001-7405-2207
T OżańskiWroclaw University of Science and Technology, Wroclaw, Poland.ORCID 0000-0003-3331-6637
F RakowskiInterdisciplinary Centre for Mathematical and Computational Modeling, University of Warsaw, Warsaw, Poland.
M ScholzInstitute for Medical Informatics, Statistics and Epidemiology, University of Leipzig, Leipzig, Germany.ORCID 0000-0002-4059-1779
S SoniSloan School of Management, Massachusetts Institute of Technology, Cambridge, MA, USA.ORCID 0000-0002-8898-5726
A SrivastavaMing Hsieh Department of Computer and Electrical Engineering, University of Southern California, Los Angeles, CA, USA.ORCID 0000-0002-8706-5717
J ZielińskiInterdisciplinary Centre for Mathematical and Computational Modeling, University of Warsaw, Warsaw, Poland.ORCID 0000-0001-8935-8137
D ZouDepartment of Computer Science, University of California, Los Angeles, CA, USA.
T GneitingComputational Statistics Group, Heidelberg Institute for Theoretical Studies (HITS), Heidelberg, Germany.
M SchienleChair of Statistics and Econometrics, Karlsruhe Institute of Technology (KIT), Karlsruhe, Germany. melanie.schienle@kit.edu.ORCID 0000-0001-6000-5653
List of Contributors by Team

Funding

Helmholtz Association SIMCARD Information and Data Science Pilot ProjectMedical Research Council MC_PC_19012Medical Research Council MR/R015600/1National Science Foundation 2027007Wellcome Trust
6 · The paper itself

Abstract

Disease modelling has had considerable policy impact during the ongoing COVID-19 pandemic, and it is increasingly acknowledged that combining multiple models can improve the reliability of outputs. Here we report insights from ten weeks of collaborative short-term forecasting of COVID-19 in Germany and Poland (12 October-19 December 2020). The study period covers the onset of the second wave in both countries, with tightening non-pharmaceutical interventions (NPIs) and subsequently a decay (Poland) or plateau and renewed increase (Germany) in reported cases. Thirteen independent teams provided probabilistic real-time forecasts of COVID-19 cases and deaths. These were reported for lead times of one to four weeks, with evaluation focused on one- and two-week horizons, which are less affected by changing NPIs. Heterogeneity between forecasts was considerable both in terms of point predictions and forecast spread. Ensemble forecasts showed good relative performance, in particular in terms of coverage, but did not clearly dominate single-model predictions. The study was preregistered and will be followed up in future phases of the pandemic.

Indexed as

COVID-19ForecastingGermanyHumansModels, StatisticalPandemicsPolandSARS-CoV-2Seasons

Identifiers

PMID34453047
PMCPMC8397791

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.