The pathology of coronavirus disease 2019 (COVID-19) is exacerbated by the progression
of thrombosis, and disseminated intravascular coagulation (DIC), and cytokine storms. The …

Objective To describe the laboratory parameters and biomarkers of the cytokine storm
syndrome associated with severe and fatal COVID-19 cases. Methods A search with …

The lymphopenia as a major immunological abnormality occurs in the majority of severe
COVID‐19 patients, which is strongly associated with mortality rate. A low proportion of …

Activation of the complement system has been observed in coronavirus disease 19 (COVID-
19). We conducted a systematic review and meta-analysis with meta-regression to …

Background The unresolved COVID‐19 pandemic considerably impacts the health services
in Iraq and worldwide. Consecutive waves of mutated virus increased virus spread and …

COVID-19 can cause detrimental effects on health. Vaccines have helped in reducing
disease severity and transmission but their long-term effects on health and effectiveness …

Increasing evidence suggests that activation of the complement system plays a key role in
the pathogenesis and disease severity of Coronavirus disease 2019 (COVID-19). We used a …

Background SARS‐CoV‐2 has triggered a pandemic that is now claiming many lives.
Several studies have investigated cellular immune responses in COVID‐19‐infected …

Abstract Objective Since the World Health Organization (WHO) announced coronavirus
disease 2019 (COVID-19) had become a global pandemic on March 11, 2020, the number …

Objectives We investigated the impact of anemia based on admission hemoglobin (Hb) level
as a prognostic risk factor for severe outcomes in hospitalized patients with coronavirus …