[Svartalfiar]

However if they do get infected, they can pass it on to any elderly people in close contact with them. It is better if the vaccine prevents getting sick in the first place.

Except it doesn't. Fauci says you still have to wear a mask after getting the shots, since the 'vaccinated' can still be infected and still pass it on. So getting the shot to 'protect' Grandma is useless, which again leads back into the question, why does a young/middle age person *need* the shot?

[entropy12]

Read with focus-—>If one has elderly living at home with comorbidities, the risk is sky high, with or without vaccine.

However, people who work and are in contact with other people, herd immunity is the only option to defeat covid-19, and that requires this category of people must be vaccinated.