Three major outbreaks of the coronavirus, a zoonotic virus known to cause respiratory
disease, have been reported since 2002, including SARS-CoV, MERS-CoV and the most …

Humans have witnessed three deadly pandemics so far in the twenty-first century which are
associated with novel coronaviruses: SARS, Middle East respiratory syndrome (MERS), and …

Anosmia, the loss of smell, is a common and often the sole symptom of COVID-19. The onset
of the sequence of pathobiological events leading to olfactory dysfunction remains obscure …

The SARS-CoV-2 pandemic and its unprecedented global societal and economic disruptive
impact has marked the third zoonotic introduction of a highly pathogenic coronavirus into the …

Most humans are in contact with animals in a way or another. A zoonotic disease is a
disease or infection that can be transmitted naturally from vertebrate animals to humans or …

Background The outbreak of coronavirus disease-19 (COVID-19) is a public health
emergency of international concern. Telehealth is an effective option to fight the outbreak of …

Coronavirus has emerged as a global health threat due to its accelerated geographic
spread over the last two decades. This article reviews the current state of knowledge …

A key unsolved question in the current coronavirus disease 2019 (COVID-19) pandemic is
the duration of acquired immunity. Insights from infections with the four seasonal human …

Mutation and adaptation have driven the co-evolution of coronaviruses (CoVs) and their
hosts, including human beings, for thousands of years. Before 2003, two human CoVs …

The novel coronavirus SARS-CoV2 causes COVID-19, a pandemic threatening millions. As
protective immunity does not exist in humans and the virus is capable of escaping innate …