THE UK has begun launching its booster shot programme in a bid to stave off a third wave of infections ahead of winter. New data released by the FDA has highlighted which side effects are to be expected after receiving a booster dose of the Pfizer vaccine.A drop-off in antibody levels after a second dose of the vaccine has informed the recommendation of a third booster shot for over-50s and younger adults with health conditions in the UK. Invitations to book the third coronavirus vaccine will today be sent out to more than a million Britons in a bid...