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PubMed COVID-19 Clinical Care

22961 - 22970 of 58327 results found

Prevalence of vitamin D deficiency in seniors - A retrospective study

Date
Friday, September 22, 2023 - 4:00 AM
Description
CONCLUSIONS: In summary, it can be said that the prevalence of vitamin D deficiency among nursing home residents is considerably high. Inadequate vitamin D levels were often associated with reduced calcium levels. Given the high prevalence, the

Risk of COVID-19 after natural infection or vaccination

Date
Friday, September 22, 2023 - 4:00 AM
Description
BACKGROUND: While vaccines have established utility against COVID-19, phase 3 efficacy studies have generally not comprehensively evaluated protection provided by previous infection or hybrid immunity (previous infection plus vaccination). Individual