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Research
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PubMed COVID-19 Clinical Care

19041 - 19050 of 44979 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

Wearing masks to prevent one epidemic may mask another

Date
Friday, September 22, 2023 - 4:00 AM
Description
BACKGROUND: With attempts at lifting most COVID-19 pandemic-related restrictions, other common respiratory viruses have caused more health concern than in earlier seasons in pediatric populations.