1. I stay in Australia where the prevalence of Covid-19 is really really low however my parents stay in India and if either of us were to visit each other, I'd

1. I stay in Australia where the prevalence of Covid-19 is really really low however my parents stay in India and if either of us were to visit each other, I'd prefer all of us vaccinated and even then we'll not be socialising with the extended family. Reason being that the vaccines so far have proven to be effective in preventing disease if someone is infected but no proof yet on whether they prevent transmission/infection as well