The figure depicts the countries in South Africa, countries with confirmed Omicron cases, and countries banned from entering the US as of Nov 29 2021. Based on what you know about SARS-CoV-2, comment on the efficacy of the imposed travel ban. Countries in southern Africa Countries with confirmed Omicron variant cases Australia Czechia Netherlands Botswana Austria Denmark Portugal South Africa Belgium Canada Germany Israel Spain Sweden China Italy UK eSwatini Lesotho Malawi Mozambique Namibia Countries banned from entering the US (and many other countries) Zimbabwe Angola Zambia Graphic by @TrevorABranch, 29 Nov 2021 Tracker: https://bnonews.com/index.php/2021/11/omicron-tracker/

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Health Epidemiology

Health is an essential factor for all human beings. For all humans, health is a critical factor. An individual's ability to meet life's challenges and retain his or her capacity for optimal functioning is reflected in his or her condition of health. This needs the physical, mental, and biological parts of one's constitution to maintain a degree of functioning that has a favorable influence and support for one another.