Background This study applies an umbrella review approach to summarise the global
evidence on the risk of severe COVID-19 outcomes in patients with pre-existing health …

Background The effect of HIV co-infection on COVID-19 outcomes in sub-Saharan Africa is
unknown. Methods We conducted a population cohort study using linked data from adults …

Objectives Existing findings regarding the relationship between comorbidities and the
severity of coronavirus disease 2019 (COVID-19) are inconsistent and insufficient. The aim …

Background Data on the association of human immunodeficiency virus (HIV) infection with
adverse outcomes in patients with COVID-19 are conflicting. This systematic review and …

Background Evidence of whether people living with HIV are at elevated risk of adverse
COVID-19 outcomes is inconclusive. We aimed to investigate this association using the …

Background: Persons living with human immunodeficiency virus (PLWH) constitute a
vulnerable population in view of their impaired immune status. At this time, the full interaction …

Background Risk factors for coronavirus disease 2019 (COVID-19) death in sub-Saharan
Africa and the effects of human immunodeficiency virus (HIV) and tuberculosis on COVID-19 …

Background: This meta-analysis aimed to estimate the association of human
immunodeficiency virus (HIV) infection and risk of coronavirus disease 2019 (COVID-19) …

Background: The relationship between HIV (human immunodeficiency virus) and COVID-19
clinical outcome is uncertain, with conflicting data and hypotheses. We aimed to assess the …

Background: The pandemic of Coronavirus Disease 2019 (COVID-19) has been a threat to
global health. In the US, the Centers for Disease Control and Prevention (CDC) has listed 12 …