Background There is disagreement about the level of asymptomatic severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2) infection. We conducted a living systematic review …

Background Debate about the level of asymptomatic Severe Acute Respiratory Syndrome
Coronavirus 2 (SARS-CoV-2) infection continues. The amount of evidence is increasing and …

Quantification of asymptomatic infections is fundamental for effective public health
responses to the COVID-19 pandemic. Discrepancies regarding the extent of …

Importance Whether the severity and mortality of COVID-19 in patients with cancer have
improved in terms of disease management and capacity is yet to be defined. Objective To …

Importance To our knowledge, little is known about antibody development after SARS-CoV-
2 vaccination in immunocompromised individuals, such as patients with cancer. Objective …

Importance Patients with cancer and health care workers (HCWs) are at high risk of SARS-
CoV-2 infection. Assessing the antibody status of patients with cancer and HCWs can help …

Background Cancer has been suggested as a risk factor for severe outcome of SARS-CoV-2
infection. In this population-based study we aimed to identify factors associated with higher …

Background Due to potentially immune-esca** virus variants and waning immunity, a third
SARS-CoV-2 vaccination dose is increasingly recommended. However, data in patients with …

Background Patients with hepatocellular carcinoma (HCC) represent a vulnerable
population potentially negatively affected by COVID-19-associated reallocation of …

Several health organizations, mainly in Western countries, have recently authorized the use
of a booster dose of the COVID-19 vaccine for patients previously vaccinated with mRNA …