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.
EFFECTIVE 10 YEARS: It is recommended a booster be given every ten years, as first tdap is given at age of 11, to children who have completed primary vaccination ate age four with five doses of dtap, that is three doses in first year, one in second year after age 15 months, fifth at or after age 4 years.