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.
Tdap should be given to all adults once in place of one Td (tetanus-diphtheria) booster vaccine, which is recommended every 10 years. Adults who were never fully immunized against tetanus should start with a three-dose primary series given over seven to 12 months. Which adults should get vaccinated against tetanus?