by Margaret O’Brien Trasna editor Margaret O’Brien’s timely piece,“Pasteur and Uncle Paddy,” is about a deadly virus, her great-grandmother Mary, and one of the world’s most famous scientists. Today the world is in the grip of a pandemic because of COVID-19, the deadly Coronavirus. Although it has claimed many lives and disrupted economic and social life around the globe, it is not the deadliest virus. That distinction goes to another, the bullet shaped rabies virus, which kills nearly 100 percent of its hosts, both human and animal. Unlike the Coronavirus, which spreads by droplet, the rabies virus needs a host animal and it must cross from animal to human through a bite. ~~~ It was Ireland in the summer of 1898. After…