Vaccine
Deals
 
The UK government
has
signed
deals
 
for
90
million
 
doses
 
of
hopeful
coronavirus
vaccines
 
 
that
 
are
being
developed.
 
 
The
vaccines
are
 
being
researched
 
 
It
 
is
 
still
uncertain
which
 
of
 
the
experimental
vaccines
 
may
work.
 
A
vaccine
 
is
seen
 
as
 
the
best
chance
 
 
of
getting
our
lives
back to
normal.