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.
Td (tetanus and diphtheria) is also a vaccine used as a booster vaccination in adolescents and adults, however, it does not contain the pertussis vaccine. DTaP should be given at two, four, six, 15 to 18 months of age, and between four and six years of age. The preferred age for Tdap vaccination is 11 to 12 years.