When the omicron variant of COVID-19 was first identified in South Africa, the country's scientists were quick to inform global health leaders of the new mutations they had found. Though scientists have little information about the new variant and aren't certain where it originated, several countries, including the United States, Canada, the United Kingdom, Israel and the European Union. announced almost immediate travel bans from South Africa and other southern African nations. The restrictive measures sparked outcry from some health officials and experts who caution the bans are premature and could set a harmful precedent."There is very little utility of these kinds of bans," Saad Omer, director of the Yale Institute of Global Health, told NPR."Unfortunately, from what we know about the epidemiology of SARS-CoV-2 and the epidemiology of this variant, the horse has probably left the barn," Omer said, noting the high transmissibility of this coronavirus and its variants. And even though the omicron variant has been reported in several other countries in Europe, Asia and North America, travel bans have only been imposed on southern African countries. One of the identified cases of the omicron variant in Belgium had no contact or travel with any nations in southern Africa, suggesting community spread could already be taking place."If the question is to prevent the variant from coming in, it really doesn't make sense to exempt countries where it has been identified and that has even more direct flights than southern Africa," Omer said. Travel bans from the start of the COVID-19 pandemic resulted in economic and other consequences we're still seeing today. A recent study from the journal Science shows that restricting international travel in the beginning stages of the COVID-19 pandemic did have some effect on delaying spread, but the researchers said restricting travel is only truly effective when paired with curbing the spread of infection through hand-washing, isolation and early detection. Another study, in the Journal of Emergency Management, concluded that little evidence exists to prove that international travel bans are effective in controlling the spread of infectious disease, and such measures should only be taken if recommended by the World Health Organization. With the omicron variant, the WHO has already cautioned against imposing travel bans. Introducing a travel ban can also give a false sense that the virus is being contained, researchers said, adding that such policies can also make it difficult to transport health care workers and other resources. Additionally, the stigma of travel bans can exacerbate racism and xenophobia, according to Nicole Errett of the University of Washington, who was the lead author on the Journal of Emergency Management study. Omer, of the Yale Institute of Global Health, has another concern about implementing travel bans during a public health crisis: It can dampen the commitment to scientific transparency.
All data is taken from the source: http://npr.org
Article Link: https://www.npr.org/sections/coronavirus-live-updates/2021/11/28/1059619823/omicron-travel-bans-covid
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