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'Covid arm' rash from vaccine 'may actually be a good sign', experts claim
coronavirus vaccine with a rash may actually be a good sign, health experts have said.Some people who received the Moderna jab reported experiencing 'Covid arm', in which people experience itchy and swollen skin.But it is said to be a harmless response from the immune system to the shot that fades within a week.Dr Peter Chin-Hong, a professor of medicine and infectious diseases at the University of California, San Francisco, said a reaction is a sign the body is ramping up to prevent a potential infection in the future.He said: "First cause for celebration is the reaction that you're feeling is your immune system working and getting ready to protect you."The second cause for celebration is it goes away and doesn't really linger."The