 As the Omicron variant sparks concern, experts say it's time for unvaccinated Americans to get their shots As a new Omicron variant spurs global travel bans, experts said that concerns over its impact should spur the millions of unvaccinated Americans to get their Covid-00 shots -- and for those who are eligible to get boosters -- as it will offer at least a degree of protection. WTA remains 'deeply concerned' about Chinese tennis star Peng Shuai The Women's Tennis Association (WTA) "remains deeply concerned" that Chinese tennis star Peng Shuai "is not free from censorship or coercion." 