Paxlovid, the drug said to offer a high efficacy against severe Covid-19 symptoms, has been rolled out in several countries including Israel, Japan, the US and the EU after initial approval in late 2021 and early 2022. As vaccine programmes continue to improve general immunity, the addition of a drug that promises to reduce the risk of severe Covid-19 cases is being seen as a possible way out of the pandemic. The tablets in question, which can also be taken at home by infected patients, come from the US pharmaceutical company Pfizer and are aimed at inhibiting the reproduction of the virus in …