In
December
2019
the
____________________
authorities
notified
the
world
that
a
____________________
was
spreading
through
their
____________________
.
In
the
following
____________________
,
it
spread
to
other
____________________
,
with
cases
doubling
within
days
.
This
virus
is
the
?
Severe
acute
respiratory
____________________
-
related
coronavirus
2
?
,
that
causes
the
disease
called
____________________
,
and
that
____________________
simply
calls
Coronavirus
.
