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1.
MMWR Morb Mortal Wkly Rep ; 72(24): 651-656, 2023 Jun 16.
Artículo en Inglés | MEDLINE | ID: mdl-37319011

RESUMEN

CDC has used national genomic surveillance since December 2020 to monitor SARS-CoV-2 variants that have emerged throughout the COVID-19 pandemic, including the Omicron variant. This report summarizes U.S. trends in variant proportions from national genomic surveillance during January 2022-May 2023. During this period, the Omicron variant remained predominant, with various descendant lineages reaching national predominance (>50% prevalence). During the first half of 2022, BA.1.1 reached predominance by the week ending January 8, 2022, followed by BA.2 (March 26), BA.2.12.1 (May 14), and BA.5 (July 2); the predominance of each variant coincided with surges in COVID-19 cases. The latter half of 2022 was characterized by the circulation of sublineages of BA.2, BA.4, and BA.5 (e.g., BQ.1 and BQ.1.1), some of which independently acquired similar spike protein substitutions associated with immune evasion. By the end of January 2023, XBB.1.5 became predominant. As of May 13, 2023, the most common circulating lineages were XBB.1.5 (61.5%), XBB.1.9.1 (10.0%), and XBB.1.16 (9.4%); XBB.1.16 and XBB.1.16.1 (2.4%), containing the K478R substitution, and XBB.2.3 (3.2%), containing the P521S substitution, had the fastest doubling times at that point. Analytic methods for estimating variant proportions have been updated as the availability of sequencing specimens has declined. The continued evolution of Omicron lineages highlights the importance of genomic surveillance to monitor emerging variants and help guide vaccine development and use of therapeutics.


Asunto(s)
COVID-19 , SARS-CoV-2 , Humanos , SARS-CoV-2/genética , Pandemias , COVID-19/epidemiología , Genómica
2.
J Sex Marital Ther ; 46(8): 736-746, 2020.
Artículo en Inglés | MEDLINE | ID: mdl-32835628

RESUMEN

Single prostate cancer (PCa) patients may face difficulties in starting a new relationship for various reasons. Here, we studied barriers and enablers to starting a relationship for PCa patients and characteristics of patients who were and were not in a relationship. PCa organizations distributed for us a 20-minute online survey, consisting of validated questionnaires (on treatment side effects, loneliness, social provision, and shyness) and questions on factors identified by patients as barriers and enablers to forming a new relationship. Participants were either single [n = 20] or had started a new relationship post-diagnosis [non-single, n = 15]. Three factors-confidence, sexual function, finding the right person-were perceived of as factors that can affect starting a relationship. Fourteen of twenty single patients were confident that they could find a partner and sixteen were comfortable in disclosing their cancer diagnosis to a potential partner. Non-single patients met their partners through various ways, including online dating and social events. They all revealed their cancer status prior to starting the relationship, and most partners reacted well to this disclosure. Single patients were lacking emotional support, more shy, and lonelier than non-single patients. Clinicians need to consider biopsychosocial factors when advising single patients who wish to start a new relationship.


Asunto(s)
Relaciones Interpersonales , Neoplasias de la Próstata/psicología , Funcionamiento Psicosocial , Adulto , Anciano , Anciano de 80 o más Años , Humanos , Masculino , Persona de Mediana Edad , Nueva Zelanda/epidemiología , Parejas Sexuales/psicología , Persona Soltera/psicología , Apoyo Social , Encuestas y Cuestionarios
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