![]() ![]() Neutralization assays were performed with the use of pseudoviruses harboring the SARS-CoV-2 spike proteins of the alpha, beta, gamma, delta, epsilon, lambda, or mu variants or the B.1 lineage virus, which harbors the D614G mutation (parental virus). Panels B and C show the results of virus neutralization assays. The raw data are summarized in Table S2 in the Supplementary Appendix. The black line reflects the number of new weekly cases, and the colored bars indicate the percentage of each variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) among the cases. The mu variant was first isolated on January 11, 2021, in Colombia (Global Influenza Surveillance and Response System accession number, EPI_ISL_1220045). Panel A shows new cases of coronavirus disease 2019 (Covid-19) from January through August 2021 in Colombia. SARS-CoV-2 in Colombia and Characterization of the Mu Variant. As of September 2021, the World Health Organization had defined four variants of concern (alpha, beta, gamma, and delta ), as well as five variants of interest (eta, iota, kappa, lambda, and mu ). The most trusted, influential source of new medical knowledge and clinical best practices in the world.ĭuring the current pandemic, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the causative agent of coronavirus disease 2019 (Covid-19), has diversified considerably. ![]() Information and tools for librarians about site license offerings. Valuable tools for building a rewarding career in health care. ![]() The authorized source of trusted medical research and education for the Chinese-language medical community. The most advanced way to teach, practice, and assess clinical reasoning skills. Information, resources, and support needed to approach rotations - and life as a resident. The most effective and engaging way for clinicians to learn, improve their practice, and prepare for board exams. NEW! Peer-reviewed journal featuring in-depth articles to accelerate the transformation of health care delivery.Ĭoncise summaries and expert physician commentary that busy clinicians need to enhance patient care. NEW! A digital journal for innovative original research and fresh, bold ideas in clinical trial design and clinical decision-making. ![]()
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