Boris Johnson unveiled a number of further measures against coronavirus in the run up to winter.The Prime Minister announced that they are increasing testing capacity, rolling out a new flu vaccination programme, and are injecting an extra £3billion into NHS funding.Speaking from a press conference at Downing Street, Mr Johnson said that more needs to be done in the colder months as people are likely to show coronavirus-like symptoms as a result of seasonal illness.He announced a new testing capacity of at least half a million antigen tests a day - 3.5 million antigen tests a week – by the end of October.Mr Johnson said: “Demand for testing is not the only challenge that winter will bring.“It is possible that the virus will be more.