coronavirus vaccine feels like the light at the end of the tunnel we’ve all been waiting for. More than 10million people in the UK have now received their first jabs, while almost 500,000 have had their second dose.People who have the vaccine may experience side effects, and one of these is known as “Covid arm”.Side effects from vaccines are normal, but some people may have an extreme reaction.Covid arm is a side effect mostly associated with the Moderna vaccine, and presents itself as a rash – before becoming like an itchy lump.The Moderna vaccine has been authorised for the UK, and 17 million doses have been ordered.However, currently only the Oxford/AstraZeneca and Pfizer vaccines are being administered.Some people who have had the.