Some patients remain unwell for months after “recovering” from the acute COVID-19. They
develop persistent fatigue, cognitive problems, headaches, disrupted sleep, myalgias and …

The clinical severity of coronavirus disease 2019 (COVID-19) is largely determined by host
factors. Recent advances point to cellular senescence, an ageing-related switch in cellular …

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the causative agent of
coronavirus disease 2019 (COVID-19), could affect brain structure and function. SARS-CoV …

Background COVID-19 pandemic has made the disease a major global problem by creating
a significant burden on health, economic, and social status. To date, there are no effective …

Post-acute COVID-19 sequelae, commonly known as long COVID, encompasses a range of
systemic symptoms experienced by a significant number of COVID-19 survivors. The …

Background The severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) disease
(COVID-19) triggers the development of numerous pathologies and infection-linked …

Ageing constitutes the biggest risk factor for poor health and adversely affects the integrity
and function of all the cells, tissues, and organs in the human body. Vascular ageing …

Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a debilitating chronic
condition that is characterized by unresolved fatigue, post-exertion symptom exacerbation …

Background Accumulating evidence suggests that autonomic dysfunction and persistent
systemic inflammation are common clinical features in myalgic encephalomyelitis/chronic …

Infectious bronchitis (IB) of chickens is a highly contagious disease characterized by
damage of the respiratory system and reproductive organs in young animals caused by a …