As childhood vaccination rates slide in Canada, health-care providers look for new ways to fight skepticism

At his office in Ottawa, family doctor Alykhan Abdulla sees a growing number of parents with concerns about routine childhood vaccinations. They have questions about the research behind them and whether the vaccines are safe.Dr. Abdulla, a physician for 32 years, has watched childhood vaccination rates fall over the years and believes the rise in social media in the last decade or so has exacerbated the level of misleading and false information that people are exposed to.