Around 30,000 vulnerable Covid-19 patients in England have been treated with highly effective “cutting-edge” antiviral drugs which improve symptoms “within hours”, according to Britain’s National Health Service (NHS). The health service said it had procured nearly five million doses of Paxlovid and other antivirals, such as Molnupiravir as part of the latest deal struck by the British government. Paxlovid, developed by Pfizer, has been approved for use in the UK, EU and US, among other places, and was found in trials to slash hospital admissions and deaths by 88%. More than 5,000 patients have…