… surveys, genomic sequencing surveillance, and wastewater monitoring we are able to
examine very recent spatial and temporal trends in the circulation of novel variants of SARS-CoV-…

… of a national surveillance programme to … Delta variant was identified at the same time in
clinical and wastewater samples. This work demonstrates the validity of wastewater surveillance …

… genomic surveillance efforts as well as the current nomenclature and detection of variants of
concern (VOC) and variants … Since then, the Delta variant has rapidly spread across different …

… Delta variant breakthroughs compared to Alpha variant breakthroughs (136.3 vs 20.1, p <
0.00001, Table 1) which reflects the lack of Delta variants … Our surveillance data collected from …

… and patients, staff sickness surveillance, and more rigorous management of contacts of
COVID-19 cases, were likely to have reduced nosocomial transmission amid the Delta variant. …

… is to introduce a few basic concepts regarding wastewater surveillance as a starting point for
… .1.1.529) by a wastewater surveillance program. As a result, variant tracking data cannot be …

… Delta era when non-Delta variants and the Delta variant were co-circulating. The proportion
of the Delta variant … Delta variant to non-Delta variants in adult patients with mild COVID-19. …

… To perform genomic surveillance, we analyzed 1299 positive samples from 29 June 2020
to 31 January 2022, collected in the COVID-19 detection service of LIGH (Laboratory of …

… primary sublineages of the Delta variant associated with the … surveillance for the timely
identification of emerging variants … governmental epidemiological surveillance program. Most …

… with Delta variant, 33% (26/79) of who infected with Delta variant showed Ct value below
20. … -specific vaccine, optimization of our vaccination program may be an effective strategy to …