There are 16 different types of hemagglutinin (H) proteins and nine different types of neuraminidase (N) proteins. This is how names such as H1N1 or H3N2 are acquired. However, the pandemic H1N1 influenza is different because it was created from a combination of human, swine and bird flu viruses.
Last name: Butte. This interesting surname of English origin with variant spellings But, Butt, Butte, Bute, etc., is derived from the middle English personal name But(t) of unknown origin, perhaps originally a nickname meaning short and stocky and akin to the late middle English butt meaning thick end or stump.
Split and merge into it. Answer by Lisamc57. Confidence votes 4.9K. 'Widow's peak' comes from the English folklore and it's meaning is that the woman will outlive her husband. The widow's peak itself is just a dominant trait that is inherited but it does not have any real meaning.