Aim: To evaluate the immunogenicity and safety of the CoronaVac vaccine in patients with cancer receiving active systemic therapy. Methods: This multicenter, prospective, observational study was co... Tweetable abstract Immunogenicity developed with CoronaVac in 25 (59.5%) of 42 patients who received at least one cytotoxic drug and in all patients (n = 5) who received monoclonal antibody or immu...

The rapid spread of COVID-19 infection and its negative effects on human health caused a great change in oncology practice. Although oncologists respond quickly to this change, anxiety caused by pandemics in some patients prevented cancer treatment. Although patients know that delaying cancer treatment can be life-threatening, they are concerned about contacting the hospital because they are afraid of becoming infected with COVID-19. Here, we would like to present three patients with delayed admission to the hospital to draw attention to the harmful consequences of COVID-19 fear in the community. These patients with cancer-related anxiety may exaggerate protective attitudes during the pandemic process, leading to delayed oncological treatment and poor prognosis of the patient.