Please answer the following question: Q: What is the largest known virus? Read this paragraph and choose the correct option from the provided answers: The largest known virus, called mimivirus, is so large that scientists first mistook it for a bacterium. It was first discovered in amoeba, in 1992, and was identified as a virus in 2003. Scientists believe that mimivirus may cause certain types of pneumonia in humans. The core contains DNA, with the majority of the DNA in genes, and only 10% DNA of unknown function ("junk" DNA). Choices: - polyomavirus - influenza virus - pneumonia virus - mimivirus A:
A:
mimivirus