To the Editor: An epidemic of coronavirus SARS-CoV-2 has become the focus of scientific
attention. 1 The high infectivity of SARS-CoV-2 and rapid rise in the number of patients …

A patient with X-linked agammaglobulinemia was infected with severe acute respiratory
syndrome coronavirus 2 and presented a 40-day long and stagnant clinical evolution …

The clinical impact of coronavirus disease 2019 in primary immunodeficiency diseases
varies from mild illness to death. In our center, humoral immunodeficiency patients with poor …

The coronavirus disease 2019 (COVID-19) pandemic has presented a global challenge.
The pathogenesis of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) …

Discussion We describe two cases of severe COVID-19 with ARDS in patients with
hypogammaglobulinemia and B cell alymphocytosis. One patient died despite mechanical …

Common variable immunodeficiency (CVID), the most prevalent humoral immunodeficiency,
is characterized by hypogammaglobulinemia, impaired vaccine responses, and recurrent …

To the Editor: In individuals with severe acute respiratory syndrome coronavirus 2 (SARS-
CoV-2) infection, the severity of illness ranges from asymptomatic to fatal. 1 The Centers for …

To the Editor: Type I interferons (IFNs) are crucial in protecting against severe coronavirus
disease 2019 (COVID-19), and a high percentage of patients with life-threatening COVID-19 …

To the Editor: As of April 4, 2020, a total of 1,051,635 coronavirus disease 2019 (COVID-19)
cases had been reported worldwide, among which 56,985 deaths occurred (5.42%). 1 …

Coronavirus disease 2019 (COVID-19) has afflicted at least 4.9 million patients worldwide,
causing more than 328,000 deaths to date. This pandemic impacts not only social and …