B lymphocytes play a vital role in the human defense against viral infections by producing
specific antibodies. They are also critical for the prevention of infectious diseases by …

Background: The clinical presentation of coronavirus disease 19 (COVID-19) is the result of
intricate interactions between the novel coronavirus and the immune system. In patients with …

С чем/с кем встречается человечек, иммунная система этого человечка, когда он
покидает свое стерильное обиталище и приходит в иной “жестокий” мир. Конечно же с …

Background: The relationship between superinfection by multidrug-resistant Gram-negative
bacteria and mortality among SARS-CoV-2 hospitalized patients is still unclear …

Numerous studies have shown peculiar morphological anomalies in COVID‐19 patients'
smears. We searched all the peer‐reviewed scientific publications that explicitly reference …

Background: The COVID-19 pandemic has put a significant strain on human life and health
care systems, however, little is known about its impact on tuberculosis (TB) patients. Aims …

OBJECTIVE: SARS-CoV-2 infection primarily affects T-lymphocytes, particularly CD4+ and
CD8+ T cells. However, there is a need for simpler and less expensive laboratory tests with …

Abstract Background SARS-CoV-2 pre-existing T-cell immune reactivity can be present in
some people. A general perturbation of the main peripheral lymphocyte subsets has been …

Adults and children exhibit a broad range of clinical outcomes from SARS-CoV-2 infection,
with minimal to mild symptoms, especially in the pediatric age. However, some children …

Introduction: COVID-19 is highly heterogeneous, ranging from cases with mild disease with
an almost asymptomatic carrier to severe cases, in which the disease evolves rapidly. A …