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PubMed COVID-19 Clinical Care

41371 - 41380 of 44979 results found

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

High positive rate after consecutive negative tests of SARS-CoV-2

Date
Friday, March 31, 2023 - 4:00 AM
Description
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been a global public health event since 2019. Real-time reverse transcription polymerase chain reaction (RT-PCR) assays of upper respiratory tract specimens were used as the most common