Results 1 to 10 of about 75,595 (70)

Early countermeasures to COVID-19 at long-term care facilities in Gwangju Metropolitan City, Republic of Korea [PDF]

open access: yesOsong Public Health and Research Perspectives, 2023
Objectives The coronavirus disease 2019 (COVID-19) pandemic has continued since its first detection in the Republic of Korea on January 20, 2020. This study describes the early countermeasures used to minimize the risk of COVID-19 outbreaks during cohort
Hye-Jin Kim   +9 more
doaj   +1 more source

Countries with delayed COVID-19 introduction – characteristics, drivers, gaps, and opportunities

open access: yesGlobalization and Health, 2021
Background Three months after the first reported cases, COVID-19 had spread to nearly 90% of World Health Organization (WHO) member states and only 24 countries had not reported cases as of 30 March 2020. This analysis aimed to 1) assess characteristics,
Zheng Li   +11 more
doaj   +1 more source

Differential neutralization and inhibition of SARS-CoV-2 variants by antibodies elicited by COVID-19 mRNA vaccines

open access: yesNature Communications, 2022
Emerging SARS-CoV-2 variants raise concerns on immune evasion. Here, the authors evaluate the neutralization efficiency of COVID-19 mRNA vaccinee sera against representative viruses of 13 WHO-designated SARS-CoV-2 variants of concern/interest.
Li Wang   +56 more
doaj   +1 more source

Self-reported adverse events after 2 doses of COVID-19 vaccine in Korea [PDF]

open access: yesEpidemiology and Health, 2022
OBJECTIVES In Korea, a national coronavirus disease 2019 (COVID-19) vaccination program was implemented, including 4 vaccines against COVID-19. A text messaging-based survey, in addition to a passive adverse event reporting system, was launched to ...
Yunhyung Kwon   +7 more
doaj   +1 more source

Reducing travel-related SARS-CoV-2 transmission with layered mitigation measures: symptom monitoring, quarantine, and testing

open access: yesBMC Medicine, 2021
Background Balancing the control of SARS-CoV-2 transmission with the resumption of travel is a global priority. Current recommendations include mitigation measures before, during, and after travel.
Michael A. Johansson   +7 more
doaj   +1 more source

Performance of existing and novel surveillance case definitions for COVID-19 in household contacts of PCR-confirmed COVID-19

open access: yesBMC Public Health, 2021
Background Optimized symptom-based COVID-19 case definitions that guide public health surveillance and individual patient management in the community may assist pandemic control. Methods We assessed diagnostic performance of existing cases definitions (e.
Hannah E. Reses   +13 more
doaj   +1 more source

Prevalence of risk behaviors and correlates of SARS-CoV-2 positivity among in-school contacts of confirmed cases in a Georgia school district in the pre-vaccine era, December 2020–January 2021

open access: yesBMC Public Health, 2022
Background There is a continuing risk for COVID-19 transmission in school settings while transmission is ongoing in the community, particularly among unvaccinated populations. To ensure that schools continue to operate safely and to inform implementation
Marisa Hast   +14 more
doaj   +1 more source

Safety monitoring of COVID-19 vaccines: February 26, 2021, To June 4, 2022, Republic of Korea [PDF]

open access: yesClinical and Experimental Pediatrics, 2023
As of June 2022, 5 coronavirus disease 2019 (COVID-19) vaccine brands have been used in Korea’s national immunization program. The Korea Disease Control and Prevention Agency has enhanced vaccine safety monitoring through a passive web-based reporting ...
Yeon-Kyeng Lee   +10 more
doaj   +1 more source

Model-based estimation of transmissibility and reinfection of SARS-CoV-2 P.1 variant

open access: yesCommunications Medicine, 2021
Coutinho et al. use genomic and epidemiological data from Manaus, Brazil, to estimate the transmissibility and potential for reinfection with the SARS-CoV-2 variant-of-concern P.1 (gamma).
Renato Mendes Coutinho   +14 more
doaj   +1 more source

Adverse events of the Pfizer-BioNTech COVID-19 vaccine in Korean children and adolescents aged 5 to 17 years [PDF]

open access: yesOsong Public Health and Research Perspectives, 2022
Objectives This study aimed to identify potential safety signals and adverse events following the primary Pfizer-BioNTech coronavirus disease 2019 (COVID-19) vaccination series among children and adolescents aged 5 to 17 years in the Republic of Korea ...
Seontae Kim   +5 more
doaj   +1 more source

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