That means it would take 1,351,351.35 years, using data from the (thus far) fastest manned spacecraft. As others have touched on, proposed spacecraft can travel faster. exobio says. I think Project Orion (nuclear powered spaceships) can hit up to 10% of the speed of light so that means 500 years, I think.
Medicine and Healthcare. Adults should be vaccinated with the TDaP vaccine (for tetanus, pertussis and diphtheria) every 10 years, maybe less (it is not going to be harmful to vaccinate more frequently). For diseases like whooping cough (also called pertussis), the danger to adults may be as serious as it is to children.
For adults between the ages of 18 and 64, one of those three doses may be substituted with Tdap. Children are vaccinated against tetanus, diphtheria and pertussis starting at 2 months. The DTaP vaccine is used only in children, and they are given a total of five doses between the ages of 2 months and 5 years.