COPENHAGEN (Reuters) -The BA.2 subvariant of the Omicron coronavirus variant, which is dominant in Denmark, appears more contagious than the more common BA.1 sub-lineage, Danish Health Minister Magnus Heunicke said on Wednesday in a national address. “There is no evidence that the BA.2 variant causes more disease, but it must be more contagious,” Heunicke told a news conference. The BA.1 lineage currently accounts for 98% of all cases globally but in Denmark has been pushed aside by BA.2, which became the dominant strain in the second week of January. The UK Health Security Agency has designat…