There is not enough evidence to support that <span>vitamin C aid in sore throat. But there is no harm too.
In the medical field, every treatment should be supported by evidence. This practice called evidence-based medicine. There is so much drug claim that actually wasn't supported by research and might be potentially doing more harm than benefit. Theory or argument about why it should work is not enough, you need to do a research to find the truth.</span>
Answer: That a STD is not contagious but can be given by blood bond in other words like if you kiss someone and they have blood on there lip or a sore you can get it like that or if you have finger to finger for example holding hands and they have a little wound there would be a 57% chance they would get the STD. Hopes this helps!