and it will usually either be the pfizer or moderna jab, while scientists at finding out more about the 0micron variant. much of that work is taking place in south africa where 0micron is driving a rapid growth in infection rates. very early evidence suggests there may be a higher risk of reinfection from 0micron compared with the alpha, beta or delta variants but it is hard to say yet whether it will lead to more hospitalisations or deaths. at the moment, we are not seeing very high rates of community transmission but it is early days yet. what is important is to continue to observe and monitor and hopefully in the next couple of weeks, we will have a much better picture. the emergence of the 0micron variant has prompted big changes to the uk�*s vaccination programme. as well as offering boosters to more people, the time between second dose and booster has been slashed from six down to three months so the encouraging news on how effective they are is welcome.