This is bbc world news. our top stories. the prime minister pledges that every adult in england will be offered a booster virus vaccine by the end of the month in response to what he calls an emergency and tackling the virus. what he calls an emergency and tackling the virus. there is a tidal wave of omicron tackling the virus. there is a tidal wave of omicron coming - tackling the virus. there is a tidal wave of omicron coming and - tackling the virus. there is a tidal wave of omicron coming and i m| wave of omicron coming and i m afraid it is now clear that two doses of vaccine are simply not enough. doses of vaccine are simply not enou:h. , , ., doses of vaccine are simply not enou:h. , ,., ,., enough. the numbers of new cases of omicron rise enough. the numbers of new cases of omicron rise 65% enough. the numbers of new cases of omicron rise 65% of enough. the numbers of new cases of omicron rise 6596 of the enough. the numbers of new cases of omicron rise 6596 of the previous - enough. the numbers of new cases of omicron rise 6596 of the previous 24 l omicron rise 65% of the previous 26 hours and health chiefs say some have been hospitalised. and more political pressure over covert rules mounts as borisjohnson faces a possible rebellion on tuesday and continuing questions about christmas gatherings in downing street a year