Niclosamide (pictured) is a drug that has been approved in humans to treat infections with a variety of tapeworms. It might be useful for preventing SARS-CoV-2 replication and COVID-19 pathogenesis by inhibiting virus-catalyzed membrane fusion. Examination of the lungs of 41 patients who died of COVID-19 revealed, in addition to ...

by Gertrud U. Rey Vaccination is the gold standard for preventing infectious diseases and reducing the impact of emerging pathogens. As more and more people are becoming immunized against SARS-CoV-2, a prominent question continues to arise: are the vaccines safe for pregnant and breast-feeding people? (Image credit: Shutterstock) None of ...

In our quest to stop the COVID-19 pandemic by vaccination, we have been myopically focussed on inducing antibodies against the spike protein. As variants of SARS-CoV-2 have emerged that reduce the ability of such antibodies to block infection, concern has arisen that we will not be able to halt the ...

The current outbreak of Ebolavirus disease in Guinea, which began in February 2021, may have originated from a survivor of the 2013-16 outbreak in the same country. Phylogenetic analysis of genome sequences revealed that viruses from the current outbreak group with the Makona variant, which caused the 2013-16 epidemic. The ...

Vaccines work by educating the host's immune system to recall the identity of a virus years after the initial encounter, a phenomenon called immune memory. Viral vaccines establish immunity and memory without the pathogenic consequences typical of a natural infection. The success of immunization in stimulating long-lived immune memory is ...