Source: China – South China Morning PostWith the rampant spread of the Omicron variant around the world, many ask whether primary vaccination doses or boosters are still needed if a person is infected with Covid-19.In theory, infection can induce antibodies which may result in so-called natural immunity. But key questions remain. Can they replace vaccination? And can they protect a person from being infected again?We examine what the regulators and scientific studies tell us.1. Is there a need for someone who has already been…Read More