direct to your inboxPeople with 'significant' allergies are being warned not to get the Pzifer coronavirus vaccine.It comes after two healthcare workers who received the jab yesterday, on the first day of the UK roll-out, suffered an allergic reaction shortly afterwards.The Medicines and Healthcare products Regulatory Agency (MRHA), the UK's vaccine regulator, has now asked NHS Trusts not to administer the jab to anyone who has "a significant history of allergic reactions".But who exactly does