which is likely to test the limits of the nhs. sophie hutchinson, bbc news. dr bharat pankhania is a senior clinical lecturer at university of exeter medical school, and says any new restrictions might already too late to prevent the current surge in infections growing further. within reason, ifeel that the pulse of infections that are going to come our way has already occurred, because people will have been exposed and now they will be incubating it and in the next couple of weeks, we'll see that manifest as cases. having said that, prevention is always good and we should nevertheless continue to stop further cases from arising and that would be good infection control measures like wear your mask properly and, of course, be fully immunised. let's talk a little bit more about where we are at on the time—lag between infections occurring and potential hospital admissions,