Dr Denis Shields, UCD;  specialises in  working out the  make-up of small proteins, or peptides, that enable Covid-19 to attach to its host cell.

Small proteins that help Covid-19 infect human cells and respond to existing drug therapies have been identified by scientists in new findings that pa(...)

When  Covid-19 gets into our airways, it enters our cells and ejects its genetic material, co-opting the infected cell into making copies of the virus, which then go on to infect other cells. Photograph: iStock

In mid-March, just after restrictions were put in place to slow the spread COVID-19, Dr Nigel Stevenson looked out the window of his Dublin apartment.(...)