The pandemic of coronavirus disease 2019 (COVID-19) is spreading rapidly. Although the
cause was quickly identified as a new coronavirus named SARS-CoV-2, our knowledge of …

Older adults are far more vulnerable to adverse health outcomes and mortality after
contracting COVID-19. There are likely multiple age-related biological, clinical, and …

Age is one of the most important prognostic factors associated to lethality in SARS-CoV-2
infection. In multivariate analysis, advanced age was an independent risk factor for death …

The duration and severity of COVID-19 are related to age, comorbidities, and cytokine
synthesis. This study evaluated the impact of these factors on patients with clinical …

While the full impact of COVID-19 is not yet clear, early studies have indicated that upwards
of 10% of patients experience COVID-19 symptoms longer than 3 weeks, known as Long …

The novel coronavirus severe acute respiratory syndrome coronavirus 2 causing the
Coronavirus disease (COVID-19) pandemic has ravaged the world with over 72 million total …

COVID-19 has claimed millions of lives during the last 3 years since initial cases were
reported in Wuhan, China, in 2019. Patients with COVID-19 suffer from severe pneumonia …

In December 2019, a novel coronavirus, now named as SARS-CoV-2, caused a series of
acute atypical respiratory diseases in Wuhan, Hubei Province, China. The disease caused …

Objectives The coordinated immune response of the host is the key of the successful combat
of the body against SARS-CoV-2 infection and is decisive for the development and …

Background: Long COVID (coronavirus disease 2019) syndrome includes a group of
patients who, after infection with severe acute respiratory syndrome coronavirus 2 (SARS …