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PubMed COVID-19 Clinical Care

191 - 200 of 63288 results found

High frequencies of alpha common cold coronavirus/SARS-CoV-2 cross-reactive functional CD4(+) and CD8(+) memory T cells are associated with protection from symptomatic and fatal SARS-CoV-2 infections in unvaccinated COVID-19 patients

Date
Friday, April 12, 2024 - 4:00 AM
Description
CONCLUSIONS: These findings (i) support a crucial role of functional, poly-antigenic α-CCCs/SARS-CoV-2 cross-reactive memory CD4^(+) and CD8^(+) T cells, induced following previous CCCs seasonal exposures, in protection against subsequent severe

A mini review of reinfection with the SARS-CoV-2 Omicron variant

Date
Friday, April 12, 2024 - 4:00 AM
Description
CONCLUSIONS: The reinfection rate during the Omicron epidemic is significantly higher than in previous epidemic periods. However, the symptoms and infectivity of reinfection were weaker than those of the prior infection. Medical staff and individuals