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Opinion: Urgent Need for Next-Generation COVID-19 Vaccines
Mon, 2022-12-12 19:45 — mike kraft Urgent Need for Next-Generation COVID-19 Vaccines This Viewpoint argues that the development of a distinctly improved generation of SARS-CoV-2 vaccines is paramount to offering a greater breadth and depth of protection for a longer duration against COVID-19 disease. JAMA_current
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Simply updating the existing vaccine constructs with new variant sequences or even making trivalent or quadrivalent vaccines covering several variants is not likely to provide the depth and breadth of protection needed to interrupt viral transmission during a prolonged period. It is also not at all clear from well-controlled clinical trials that administering existing vaccines by the intranasal route (as some countries have already even approved) will provide truly meaningful benefit over the existing generation of COVID-19 vaccines.
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