COVID-19 Articles

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• Experience conducting COVID-19 vaccine effectiveness studies in response to the COVID-19 pandemic in Japan and the Philippines: lessons for future epidemics and potential pandemics

  Takeshi Arashiro, Regina Pascua Berba, Joy Potenciano Calayo, Rontgene Solante, Shuichi Suzuki, Jinho Shin, Motoi Suzuki, Martin Hibberd, Koya Ariyoshi, Chris Smith

• Enhanced case finding and self-isolation measures in the early phase of SARS-CoV-2 Omicron transmission, Osaka, Japan, December 2021–January 2022

  Miho Kobayashi, Kensaku Kakimoto, Yuichiro Yahata, Yusuke Kobayashi, Hitomi Nagai, Chisato Tanikake, Kazumi Fukumura, Keiko Date, Hiromi Murata, Sae Kitagawa, Yuki Yoshida, Yui Kamoda, Miho Akazaki, Masaaki Tanabe, Chika Shirai, Tomoe Shimada, Taro Kamigaki, Tsuyoshi Sekizuka, Makoto Kuroda, Tomimasa Sunagawa

• COVID-19 infection control practices in designated quarantine hotels in Hong Kong SAR (China), 2020–2022: key elements in preparing for the next pandemic

  Edmond Siu-keung Ma, Hong Chen, Shuk Kwan Chuang

• Estimating the impact of the COVID-19 pandemic on infectious disease notifications in Klang district, Malaysia, 2020–2022

  Vivek Jason Jayaraj, Diane Woei-Quan Chong, Faridah Binti Jafri, Nur Adibah Binti Mat Saruan, Gurpreet Kaur Karpal Singh, Ravinkanth Perumal, Shakirah Binti Jamaludin, Juvina Binti Mohd Janurudin, Siti Rohana Binti Saad

• Monitoring mortality in the setting of COVID-19 pandemic control in Victoria, Australia: a time series analysis of population data

  Lalitha Sundaresan, Sheena G Sullivan, David J Muscatello, Daneeta Hennessy, Stacey L Rowe

• Sociobehavioural factors associated with SARS-CoV-2 infection and COVID-19 vaccine effectiveness against medically attended, symptomatic SARS-CoV-2 infection in the Philippines: a prospective case-control study (FASCINATE-P study)

  Takeshi Arashiro, Regina Pascua Berba, Joy Potenciano Calayo, Marie Kris, Reby Marie Garcia, Shuichi Suzuki, Cecile Dungog, Jonathan Rivera, Greco Mark Malijan, Kristal An Agrupis, Mary Jane Salazar, Mary Ann Salazar, Jinho Shin, Martin Hibberd, Koya Ariyoshi, Chris Smith

• Harnessing the power of mobile and messaging apps for risk communication and intervention during the COVID-19 pandemic: lessons from the Western Pacific

  Fernan Talamayan, Lieke Visser, Babatunde Olowokure, Nancy Wong, Wenyajing Zhang

• A case study of the Philippines’ COVID-19 after action review

  Elliot Brennan, Charade B Mercado-Grande, Rowena Capistrano, Yui Sekitani, Kathleen Ryan, Landry Ndriko Mayigane

• Within-household SARS-CoV-2 transmission and vaccine effectiveness in the first three COVID-19 school outbreaks in northern Viet Nam, September–December 2021

  Trang Thu Vu, Tu Huy Ngo, Khanh Cong Nguyen, Vu Thi Lan, Cu Thi Bich Hanh, Le Hong Son, Huyen Thi Nguyen, Hien Thi Nguyen, Nghia Duy Ngu, Duong Nhu Tran, Duc-Anh Dang, Florian Vogt, Thai Quang Pham

• COVID-19 preparedness and response in the Pitcairn Islands: keeping one of the world’s smallest and most isolated populations safe in a pandemic

  Darralyn Griffiths, Kevin Walters, Sean T Casey

• Responding to COVID-19 on the outer islands of Tuvalu

  Karen Hammad, Lily Tangisia Faavae, Aloima Taufilo, Margaret Leong, Viliame Nasila

• Impact of vaccination on COVID-19 severity during the second wave in Brunei Darussalam, 2021

  Chee Fui Chong, Muhammad Syafiq Abdullah, Pui Lin Chong, Rosmonaliza Asli, Babu Ivan Mani, Natalie Raimiza Momin, Justin Wong, Noor Afizan Rahman, Jackson Tan, Vui Heng Chong

• High SARS-CoV-2 attack rates in areas with low detection after community transmission established in Port Vila, Vanuatu, April 2022

  Florita Toa, Wendy Williams, Chaturangi Yapa, Matthew Cornish, Melissa Binihi, Caroline van Gemert

• Global Outbreak Alert and Response Network deployments during the COVID-19 pandemic, WHO Western Pacific Region

  Sharon Salmon, Simon Brinkwirth, Gianluca Loi, Jocelyne M Basseal

• A test-based strategy for early return to work for health-care workers with COVID-19 during the Omicron wave, Brunei Darussalam, 2022

  Alice Lai, Ashish Trivedi

• Maintaining health-system functionality in response to the surge of COVID-19 cases due to the Omicron variant, Japan

  Yuki Moriyama, Saho Takaya, Takeshi Nishijima, Howard L Sobel, Norio Ohmagari

• Looking back, looking forward: lessons from COVID-19 communication measurement, evaluation and learning (MEL)

  Oxana Onilov, Dexin Gong, Kimberly Chriscaden, Jargalan Tsogt, Maria Socorro Melic, Rosemarie Urquico, Anna Biernat, Anna Postovoitova, Lieke Visser, Nancy Wong, Rosemarie North, Olivia Lawe-Davies

• Pathogens detected from patients with acute respiratory infections negative for SARS-CoV-2, Saitama, Japan, 2020

  Kodai Miyashita, Hayato Ehara, Kyoko Tomioka, Hirokazu Fukushima, Tsuyoshi Kishimoto, Asao Honda

• Population compliance with COVID-19 directions in December 2021, Queensland, Australia

  Marguerite Dalmau, Ramim Sourjah, Ross Andrews, Emma Field, Stephen Lambert

• COVID-19 clusters in Malaysia: characteristics, detection methods and modes of early transmission

  Zen Yang Ang, Nur Zahirah Balqis-Ali, Anis-Syakira Jailani, Yuke-Lin Kong, Shakirah Md Sharif, Weng Hong Fun

• Establishing a national indicator-based surveillance system for hospital bed utilization by COVID-19 patients in the Philippines

  Bienvenido S Cabaro III, Gabrielle Ann T Dela Paz, Jeffrey B Dotingco, Bernadette Joy Q Almirol, Gabriel R Borlongan, Reena Ophelia D Cebreros, Patrick B Diangco, Kenneth Pierre B Quijalvo, Joanne Pauline U Tan, Ramon Rafael D Tonato

• How Ho Chi Minh City adapted its care pathway to manage the first large-scale community transmission of COVID-19

  Luong Ngoc Khue, Nguyen Trong Khoa, Vuong Anh Duong, Do Thi Hong Hien, Satoko Otsu, Phung Kim Quang, Dereje Abera Ayana, Saho Takaya, Howard L Sobel, Vu Quang Hieu

• Coronavirus disease and home recovery: a Singapore perspective

  Trevor Tan, Joachim Wen Kien Yau, Matthias Paul Han Sim Toh, Shawn Vasoo, Yee Sin Leo

• COVID-19 and Mycobacterium coinfection in Brunei Darussalam: case series

  Babu Ivan Mani, Panduru Venkata Kishore, Wai Yan Khine, Dilip Joseph Thottacherry, Pui Lin Chong, Muhamad Syafiq Abdullah, Rosmonaliza Asli, Natalie Raimiza Momin, Noor Affizan Rahman, Chee Fui Chong, Vui Heng Chong

• Communicating health and science to the public: a role for scientists and academic researchers

  Jocelyne Marie Basseal, Mary-Louise McLaws, Sophie Scott, Sharon Salmon

• Circulation of influenza and other respiratory viruses during the COVID-19 pandemic in Australia and New Zealand, 2020–2021

  Genevieve K O’Neill, Janette Taylor, Jen Kok, Dominic E Dwyer, Meik Dilcher, Harry Hua, Avram Levy, David Smith, Cara A Minney-Smith, Timothy Wood, Lauren Jelley, Q Sue Huang, Adrian Trenholme, Gary McAuliffe, Ian Barr, Sheena G Sullivan

• Antimicrobial use in patients with confirmed COVID-19 infection: a cross-sectional study

  Roanne J Dominguez, Nicole A Domingo-Cereno, Rosemarie T Josue-Dominguez

• COVID-19 vaccine-related adverse events following immunization in the WHO Western Pacific Region, 2021–2022

  Ananda Amarasinghe, Heeyoun Cho, Eve Rizza Katalbas, Yoshihiro Takashima

• Involvement and readiness of fellows from Papua New Guinea’s Field Epidemiology Training Programme in the COVID-19 response, 2020–2021

  James A Flint, Joanne Taylor, Tambri Housen, Barry Ropa, Bernnie Smaghi, Laura Macfarlane-Berry, Celeste Marsh, Alois Pukienei, Mathias Bauri, David N Durrheim

• Ensuring access to COVID-19 therapeutics in Pacific island countries and areas

  Gereltuya Dorj, Eva Mata Martinez, Karen Hammad, Biniam Getachew Kabethymer, Nuha Mahmoud

• Experiences in COVID-19 clinical management and health-care pathways in the Western Pacific

  Saho Takaya, Ji Young Lee, Takeshi Nishijima, Masahiro Zakoji, Howard L Sobel

• Responding to COVID-19 vaccine-related safety events: WHO Western Pacific regional experience and lessons learned

  Heeyoun Cho, Ananda Amarasinghe, Yoshihiro Takashima

• Epidemiology of COVID-19 cases and vaccination coverage in Seremban District, Malaysia, 2021

  Khairul Hafidz Alkhair Khairul Amin, Nur Nadiatul Asyikin Bujang, Siti Aishah Abas, Nadiatul Ima Zulkifli, Syuaib Aiman Amir, Sharina Mohd Shah, Veshny Ganesan, Nurul Fazilah Aziz, Muhammad Adli Jalaluddin, Mohd Shahrol Abd Wahil, Muhamad Hazizi Muhamad Hasani, Noor Khalili Mohd Ali, Mohamad Paid Yusof

• Early pandemic use of face masks in Papua New Guinea under a mask mandate

  Mark Raphael, Angela Kelly-Hanku, David Heslop, Danielle Hutchinson, Mohana Kunasekaran, Ashley Quigley, Raina MacIntyre

• Using an online calculator to describe excess mortality in the Philippines during the COVID-19 pandemic

  Julius R Migriño, Jr, Ma Rosario Bernardo-Lazaro

• A descriptive assessment of the National Institute of Public Health’s role in supporting the COVID-19 response in Cambodia, 2020–2021

  Srean Chhim, Wuddhika In Vong, Kimsorn Pa, Chanboroth Chhorn, Tambri Housen, Amy Elizabeth Parry, Wim Van Damme, Por Ir, Chhorvann Chhea

• Implementation and use of a national electronic dashboard to guide COVID-19 clinical management in Fiji

  Karen Hammad, Sean Casey, Rigamoto Taito, Sara W Demas, Mohita Joshi, Rashmi Rita, Anaseini Maisema

• How the Commonwealth of the Northern Mariana Islands stalled COVID-19 for 22 months and managed its first significant community transmission

  Dwayne Davis, Stephanie Kern-Allely, Lily Muldoon, John M Tudela, Jesse Tudela, Renea Raho, Heather S Pangelinan, Halina Palacios, John Tabaguel, Alan Hinson, Guillermo Lifoifoi, Warren Villagomez, Joseph R Fauver, Haley L Cash, Esther Muña, Sean T Casey, Ali S Khan

• Post-COVID-19 health-care utilization: one year after the 2020 first wave in Brunei Darussalam

  Muhammad Syafiq Abdullah, Rosmonaliza Asli, Pui Lin Chong, Babu Ivan Mani, Natalie Riamiza Momin, Noor Affizan Rahman, Chee Fui Chong, Vui Heng Chong

• Contribution of the Australian field epidemiology training workforce to the COVID-19 response, 2020

  Amy Elizabeth Parry, Charlee Law, Davoud Pourmarzi, Florian Vogt, Emma Field, Samantha Colquhoun

• Ready to respond: adapting rapid response team training in Papua New Guinea during the COVID-19 pandemic

  Celeste Marsh, Sharon Salmon, Tambri Housen, James Flint, Joanne Taylor, Emmanuel Hapolo, Maria Trinidad Velasco Ortuzar, Bernnedine Smaghi, Anthony Eshofonie, Berry Ropa

• Mass COVID-19 testing of asymptomatic health-care workers in a tertiary hospital during an outbreak in another hospital in Singapore: an effective strategy?

  William T Wang, Hwang Ching Chan, Jyoti Somani, See Ming Lim

• Systematic sequencing of imported cases leads to detection of SARS-CoV-2 B.1.1.529 (Omicron) variant in central Viet Nam

  Do Thai Hung, Nguyen Bao Trieu, Do Thi Thu Thuy, Allison Olmsted, Trinh Hoang Long, Nguyen Duc Duy, Huynh Kim Mai, Bui Thi Thu Hien, Nguyen Van Van, Tran Van Kiem, Vo Thi Thuy Trang, Nguyen Truong Duy, Ton That Thanh, Huynh Van Dong, Philip L Gould, Matthew R Moore

• Descriptive analysis of deaths associated with COVID-19 in Fiji, 15 April to 14 November 2021

  Nashika Sharma, Dashika Balak, Shaneel Prakash, Julia Maguire

• COVID-19 symptom duration: associations with age, severity and vaccination status in Brunei Darussalam, 2021

  Shi Ying Tan, Shyh Poh Teo, Muhd Syafiq Abdullah, Pui Lin Chong, Rosmonaliza Asli, Babu Ivan Mani, Natalie Riamiza Momin, Adrian Chin Ann Lim, Noor Affizan Rahman, Chee Fui Chong, Vui Heng Chong

• Occurrence of the Omicron variant of SARS-CoV-2 in northern Viet Nam in early 2022

  Trang thi Hong Ung, Phuong Vu Mai Hoang, Son Vu Nguyen, Hang Le Khanh Nguyen, Phuong thi Kim Nguyen, Dan Tan Phan, Thanh Thi Le, Anh Phuong Nguyen, Thach Co Nguyen, Futoshi Hasebe, Mai thi Quynh Le

• Replacement of SARS-CoV-2 strains with variants carrying N501Y and L452R mutations in Japan: an epidemiological surveillance assessment

  Yusuke Kobayashi, Takeshi Arashiro, Miyako Otsuka, Yuuki Tsuchihashi, Takuri Takahashi, Yuzo Arima, Yura K. Ko, Kanako Otani, Masato Yamauchi, Taro Kamigaki; Tomoko Morita-Ishihara; Hiromizu Takahashi, Sana Uchikoba, Michitsugu Shimatani, Nozomi Takeshita, Motoi Suzuki, Makoto Ohnishi

• Urgent actions to save lives when ICU bed needs approach or exceed capacity: lessons from Mongolia

  Buyantogtokh Batsukh, Bund-Ochir Khishigsaikhan, Dulamragchaa Buyanbaatar, Gerelmaa Danzan, Nansalmaa Munkhtur, Ariuntuya Ochirpurev, Takeshi Nishijima, Howard Sobel, Masahiro Zakoji

• Clinical and demographic characteristics of COVID-19 cases in Brunei Darussalam: comparison between the first and second waves, 2020 and 2021

  Muhammad Umer Malik, Muhammad Syafiq Abdullah, Pui Lin Chong, Rosmonaliza Asli, Babu Ivan Mani, Nooraffizan Rahman, Natalie Riamiza Momin, Chin Ann Lim, Justin Wong, Chee Fui Chong, Vui Heng Chong

• Operational challenges of the Philippine Antimicrobial Resistance Surveillance Program during the COVID-19 pandemic

  Karis Boehme, Sonia B Sia, Ferissa Ablola, June Gayeta, Ma Cecilia Alea