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A novel corona virus 2019 (COVID-19) outbreak: review article
In 2019 a newly emerged coronavirus was detected by the Center for disease control (CDC) in China. Nucleic acid sequencing from nose and throat swab samples of patients revealed that it was like severe acute respiratory syndrome coronavirus (SARS-CoV). World Health Organization (WHO) named it coronavirus disease 2019 (COVID-19) and reported more than 100000 positive tests until March 2020 for C...
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Environmental ethics and Corona Virus Abstract Corona Virus pandemic outbreak is the counter act and warning of the natural environment for the destructive activities of man in the nature. Many researchers and specialists believe that a risk free and sustainable life is possible if we correct our behavior toward the nature. This research was carried out to substantiate this hypothesis and...
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The new coronavirus origin is one of the important controversial subjects in the study of this virus. There are many contradictions about the epidemiological data and bat origin of the virus. In this regard heterodox view by cosmic biology concepts, exceptionally bright fireball event a few months before the outbreak in China, and extraordinary weak solar cycle with many sunspot free days could...
متن کاملCorona Virus Prevention and the Role of Marketing Mix in it
Introduction: Considering the widespread and irreversible effects that Corona has had on health, economy and society, it is the duty of marketers to prevent Coronavirus through effective marketing and promote preventive behaviors. The purpose of this study was to present a model of effective marketing mix on Coronavirus prevention. Methods: The present study was a descriptive-survey and cross...
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We characterize pension systems along three dimensions: 1) actuarial vs. nonactuarial, 2) funded vs. pay-as-you-go, 3) defined-contribution vs. defined-benefit. Increasing the degree of actuarial fairness, by strengthening the linkage between contributions and benefits, reduces labor market distortions and may increase welfare in a Pareto-efficiency sense. Increasing the degree of funding impli...
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ژورنال
عنوان ژورنال: Journal of Korean Medical Science
سال: 2020
ISSN: 1011-8934,1598-6357
DOI: 10.3346/jkms.2020.35.e136