Ious
malaria is one of the most common (0) to
(infect) diseases in the world. so far the only kind of
(1)
- (prevent) implemented by the
affected countries has been distributing mosquito nets
and basic medicines. (2)
- (science) and
doctors have been working on a malaria vaccine for
many years. however, although all vaccines produced
so far have shown good results on monkeys their
(3)
(effect) in tests on humans was far
less (4)
- (impress).
(6)
research on the malaria vaccine arouses
(5)
(consider) interest in african, asian
and south american countries, where malaria is
(doubt) a most dangerous disease
causing (7) -
(mass) loss of life and
(economy) problems. everybody is
then (9)
(patience) waiting for good
news about (10) -
- (success) trials of
a new medicine as the future costs of malaria spreading
are indeed (11)
(predict).
(8)​

DDaVV    3   16.12.2019 12:46    4