Vaccination is when a vaccine is put into your body to protect against disease. Immunization happens when your body becomes ...

Decades of immunization progress is backsliding, an NBC News data investigation reveals, threatening the safety of children ...

The Trump administration is slow-walking immunization for kids around the world. Sign up for Inside the Trump Presidency, a ...

Because swine flu burst onto the American scene after the makeup of last year's flu vaccine had been determined, people had to get a second inoculation to protect themselves against the new variant of ...