The 91-year-old got her booster in Coventry alongside the matron who administered her first dose.
Research identifies 20,000 missing patients in England - and warns more staff and equipment are needed.
A hospital consultant says workers at the QE in Birmingham are already under "immense" pressure.
Other groups have reported higher protection, but the results are still seen as a triumph.
A question everyone's asking: what's my Covid risk? Here's how to find out.
Borrowing - which hit a record £22.3bn in October - cannot go on indefinitely, chancellor says.