Fears are emerging that vaccines may be becoming less effective against measles after more than a dozen vaccinated Victorians contracted the disease. Research published in the Clinical Infectious Diseases journal found that 13 people who were hospitalised with measles between 2014 and 2017 had already been vaccinated against the disease at least once in the past. However, their immunity had waned over time causing them to contract the virus. Measles is so contagious that 90 per cent of people who aren’t immune that come into contact with the disease will become infected. Research has found that some vaccinated people may be at risk of contracting the disease. Source:istock Dr Katherine Gibney, an epidemiologist at the Doherty Institute and the Victorian Department of Health and Human Services, said this problem can arise when people have only had one measles vaccine. “If you had been vaccinated and came into contact with […]