Immunisation coverage for measles among children has declined, after the Covid pandemic in nearly 80 per cent of over 2,000 US counties analysed in a new study. The drop includes several regions currently experiencing outbreaks.The study, conducted by Johns Hopkins University and recently published in JAMA, was cited by the Associated Press. It highlights increased vulnerability in many areas, in line with state and national data showing declining routine childhood vaccination rates.“When you look at the state level or national level … you really don’t see those drastic drops. Those are there. They’re real and they’re really problematic,” said Lauren Gardner, the study’s senior author and infectious disease modelling specialist at Johns Hopkins University, who also developed the university’s Covid-19 database.As…