The content originally appeared on: CNN The Indian government's Covid-19 vaccinations hit 2 billion on Sunday, with booster doses underway for all adults, as daily infections hit a four-month high, official data showed. Prime Minister Narendra Modi extolled the vaccination milestone, celebrating the world's largest and longest-running inoculation campaign that began last year. 'India creates history again!' Modi said in a tweet. The prime minister has faced allegations from the opposition of mishandling the pandemic that experts claim killed millions. […]