(Reuters) – Cook Islands, a small South Pacific nation that has not experienced COVID-19 in its community, is readying for its first coronavirus infections after an infected traveller visited, Prime minister Mark Brown said on Sunday. The traveller from New Zealand spent eight days in the community and tested positive for Omicron upon returning home last week, Brown said in a video posted on the government’s Facebook page. “It is likely that the person … was infectious while here and further likely that the virus is in our community,” he said. “It may be there is ‘silent transmission’, where…