HIT-COVID, a global database tracking public health interventions to COVID-19
Authors: Zheng Qulu , Jones Forrest K. , Leavitt Sarah V. , Ung Lawson , Labrique Alain B. , Peters David H. , Lee Elizabeth C. , Azman Andrew S. ,   HIT-COVID Collaboration, Adhikari Binita , Wahl Brian , Sarnowski Chloé , Antiporta Daniel A. , Erchick Daniel J. , Perez-Saez Javier , Ssekasanvu Joseph , Lee Kyu Han , White Laura , Kostandova Natalya S. , Menezes Neia Prata , Albaugh Nicholas W. , Gupta Nidhi , Jiwani Safia S. , Hegde Sonia T. , Srivastava Swati , Aung Tricia , Zhang Yijing , Norton Giulia , Kalra Arnav , Khaitan Ashank , Shah Dyuti , Kaur Japnoor , Kasi Keerthana , Patel Lajjaben , Dhingra Lovedeep Singh , Agarwal Mudit , Garg Sanil , Goel Utkarsh , Gill Vikram Jeet Singh , Khan Erum , Patwari Alina , Khaloo Pegah , Joshi Deepa , Blagg Emily , Pence Emma , Nelson Holly K , Fan Jing , Forbes Lauren , Schlussel Meredith , Etyemez Semra , Song Shanshan , Mohan Udit , Sun Yi , Jang Sunyoung , Frumento Nicole , Sivakumar Ananyaa , Hartner Anna-Maria , Karandikar Vedika , Yan Ziao , Beiter Evan R. , Song Julia , Wedlund Leia , Singer Miriam , Rahman Rifat Sirajur , Virk Zain Mohammad , Abar Arjan , Tiu Bruce , Adamson Tyler M. , Paudel Kiran , Yao Honghui , Wang Yinuo , Li-Rodenborn E Rosalie , Ozdemir Ipek , McLean Martha-Grace , Rattigan Susan , Borgert Brooke A. , Moreno Carlos A , Quigley Nicole Elizabeth , Li Chengchen , Kaur Nimran , Gimbrone Catherine , Scales Sarah Elizabeth , Zuniga-Moya Julio Cesar , Babigumira Peter Ahabwe , Igwe Chibueze C. , Wang H. Echo , Hsieh Leon , Misra Stuti , Bruton Kelly , Byng Danalyn , Miranda-Schaeubinger Monica , Uddin Mohammad Nasir , Ticehurst John R. , Laney Emaline , Bhadauria Abhimanyu , Gupta Vidushi , Selles Maria Clara , Kartik Akash , Singh Anmol , Garg Divya , Saini Jasmine , Kaur Jyotroop , Kaur Mannat , Denis Lena , Ekong Iniobong , Renyuanouyang  , Fred Tusabe , Liu Alison Su-Hsun , Petersen Molly R. , Agbadi Pascal , Segawa Ivan , Scott Valerie , Shen Yannan , OKeeffe Jennifer , Brennan Zachary , Singh Major , Saini Ashutosh , Ndukwe Mercy , Vanajan Anushiya , Minder Jessica , Lemaitre Eugène , Pi Li , Saini Moneet , Cabrera-Aguas Maria , Zannat Hur E. , Deng Arlinda , Nguyen Nhat-Lan H. , Hinson Patrick J , Buysse Laurence , Kaur Snimarjot , Zhang Chuxuan , Saini Chhavi , Shu Daisy Y. , Alemi Hamid , Shivshanker Prerana , Singh Rohan Bir , McKay Tina B. , Wang Xia , Lee Sophia , Petersen Nicolas , Zielonka Frances , Chuang Andrew , Saussier Christel , Dutra Derek A. , Conlan Elizabeth K. , Specter Lumen Luciano Yadriel , Alhariri Mais , Karahan Ramazan , Yen Terry , Bouchene Yacine , Sultanov Adam , Singh Navdeep 
Published: August 2020

The COVID-19 pandemic has sparked unprecedented public health and social measures (PHSM) by national and local governments, including border restrictions, school closures, mandatory facemask use and stay at home orders. Quantifying the effectiveness of these interventions in reducing disease transmission is key to rational policy making in response to the current and future pandemics. In order to estimate the effectiveness of these interventions, detailed descriptions of their timelines, scale and scope are needed. The Health Intervention Tracking for COVID-19 (HIT-COVID) is a curated and standardized global database that catalogues the implementation and relaxation of COVID-19 related PHSM. With a team of over 200 volunteer contributors, we assembled policy timelines for a range of key PHSM aimed at reducing COVID-19 risk for the national and first administrative levels (e.g. provinces and states) globally, including details such as the degree of implementation and targeted populations. We continue to maintain and adapt this database to the changing COVID-19 landscape so it can serve as a resource for researchers and policymakers alike.