Current News Retraction: "Safety and immunogenicity of a recombinant receptor-binding domain-based protein subunit vaccine (Noora vaccine) against COVID-19 in adults: A randomized, double-blind, placebo-controlled, Phase 1 trial" PubMed COVID-19 Clinical Care 2024-03-02 04:00:00 Increased experiences of loneliness during the COVID-19 pandemic, emotional distress and changes in perceived physical and mental health: A structural equation model PubMed COVID-19 Clinical Care 2024-03-02 04:00:00 Covid-19 psychological pressures, depression and FOMO: the mediating role of online social support and emotional regulation PubMed COVID-19 Clinical Care 2024-03-02 04:00:00 Letter to the Editor: The role of vitamin D in the prevention and treatment of SARS-CoV-2 infection: A meta-analysis of randomized controlled trials PubMed COVID-19 Clinical Care 2024-03-02 04:00:00 OPTN/SRTR 2022 Annual Data Report: COVID-19 PubMed COVID-19 Clinical Care 2024-03-02 04:00:00 Pagination First page « First Previous page ‹ Previous … Page 771 Page 772 Page 773 Page 774 Current page 775 Page 776 Page 777 Page 778 Page 779 … Next page Next › Last page Last » PICO Search Aid Problem/Population Intervention Comparison Outcome