at this moment whether they re going to work very well against 0micron or not. in south africa, the first real world evidence has shown 0micron may evade some of our immunity. scientists have found a surge in the number of people being reinfected with covid. but we still don t know whether 0micron causes more serious illness, and what ability it may have to spread in the uk, where so much of the population is double or triple jabbed. fergus walsh, bbc news. well, boosters are set to be offered to all adults over the age of 18, and the gap between second and third doses has been halved from six to three months. but some people are being turned away at vaccine hubs. as our health editor hugh pym reports, the plans to significantly ramp up the vaccination programme may not happen for another week in england. vaccination centres including this one in hertfordshire are getting busier, as people are invited