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Hybrid immunity offers more protection against severe Covid than infection alone: Study

Individuals with hybrid immunity had the highest magnitude and durability of protection, and may be able to extend the period before booster vaccinations are needed compared to individuals who have never been infected, according to a new study. Hybrid immunity refers to immunity developed through a combination of SARS-CoV-2 infection and vaccination.

Protective effectiveness of previous SARS-CoV-2 infection and hybrid immunity against the omicron variant and severe disease: a systematic review and meta-regression

All estimates of protection waned within months against reinfection but remained high and sustained for hospital admission or severe disease. Individuals with hybrid immunity had the highest magnitude and durability of protection, and as a result might be able to extend the period before booster vaccinations are needed compared to individuals who have never been infected.

Systematic Review of Dietary Supplements, Alternative Therapies for Weight Loss

A systematic review shows a lack of strong, high-quality evidence supporting the use of dietary supplements or alternative therapies for weight loss.

Review shows minimal, high-quality evidence dietary supplements lead to weight loss

Early life exposures and the risk of inflammatory bowel disease: Systematic review and meta-analyses