Take a look at the essential events, concepts, terms, quotes, or phenomena every day and brush up your knowledge. Here’s your UPSC Current Affairs knowledge nugget for today on Hantavirus and other viral diseases  ( Relevance : UPSC has consistently included questions on health and diseases in its examinations over the years. For instance, in 2014, a question about the Ebola virus appeared in the Prelims, and in 2017, a question about the Zika virus was featured. Therefore, it is crucial to stay updated on diseases that are currently in the news.) A group of people on a Dutch cruise ship which was travelling from Argentina towards Spain were found to be infected by the deadly hantavirus earlier this week. At least seven cases — two laboratory confirmed and five suspected — have been identified among the 147 passengers and crew. Three of them have died while one is seriously ill.…