Background COVID-19 has affected the African region in many ways. We aimed to generate
robust information on the transmission dynamics of COVID-19 in this region since the …

Abstract SARS-CoV-2 infection-induced hyper-inflammation links to the acute lung injury
and COVID-19 severity. Identifying the primary mediators that initiate the uncontrolled …

To date there has been limited head-to-head evaluation of immune responses to different
types of COVID-19 vaccines. A real-world population-based longitudinal study was …

A previously healthy woman in her 60s developed social isolation and behavioural
abnormality in the form of moving around un-purposefully, irrelevant verbal responses and …

COVID-19 vaccines play a critical role in protecting against infection and transmission of the
virus. Therefore, understanding public perceptions of COVID-19 vaccines is essential for …

The goal of this study was to evaluate the epidemiological effectiveness of the Sputnik V and
EpiVacCorona vaccines against COVID-19. This work is a retrospective cohort study of …

Vaccination against COVID-19 is the most effective method of controlling the spread of
SARS-CoV-2 and reducing mortality from this disease. The development of vaccines with …

This is a case report about a 45-year-old Japanese man who visited a private clinic in
Sendai, Japan, with a black nodule on his back that bled easily. Marginal resection of the …

COVID-19 is “a once-in-a-century” pandemic, bringing with it unparalleled health, social,
and economic ramifications. As part of the world's efforts to restrain the pandemic, vaccine …

The emergence of new SARS-CoV-2 variants has led to increased transmission and more
severe cases of COVID-19, with some having the ability to escape the existing vaccines …