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PubMed COVID-19 Clinical Care

46931 - 46940 of 50647 results found

School closures during COVID-19: an overview of systematic reviews

Date
Friday, March 31, 2023 - 4:00 AM
Description
CONCLUSIONS: School closures during COVID-19 had both positive and negative impacts. We found a large number of SRs and primary studies. However, confidence in the SRs was mostly low to very low, and the certainty of evidence was also mostly very low

Insertion and deletion mutations preserved in SARS-CoV-2 variants

Date
Friday, March 31, 2023 - 4:00 AM
Description
The insertion/deletion (indel) mutation profiles of SARS-CoV-2 variants, including Omicron, remain unclear. We compared whole-genome sequences from various lineages and used preserved indels to infer the ancestral relationships between different