Vaccination
programmers
Children
in the UK can be given a series of vaccine to protect them against a range of
disease (P1). In some countries vaccination is a legal requirement. Vaccination
programmers have been particularly successful in virtually eliminating polio (poliomyelitis)
and diphtheria in develop countries. Polio my soon become extinct worldwide.
Diphtheria is vary rate in the UK, reduced to only 13 cases and no death
between 1986 and 1991.
By 1984 the world health organization’s programme of
vaccination, which is targeted against six major diseases (measles, pertussis,[whooping,
cough], tetanus, polio, tuberculosis, diphtheria) had immunized some 50% of the
children in the world and this has risen to 80% by the mid 1990. It has been
estimated that this programme prevented more than one million deaths annually
between 1974 and 1984. However, despite great progress, by 1990 about 3 million
were still dying each year from these diseases and about 4.6 million were still
fully vaccinated. Measles was killing 1.4 million annually (one every 20
seconds). Another 490,000 died of pertussis annually and 450,000 of TB. The
manual cost, one-third of which is given in aid, is about US$1.5 thousand
million.
The
world health organization expanded programme of
Immunization (EPI) aims to immunize more than 90% of the world’s new
born against a number of viral and
bacterial diseases by the year 2000. Hepatitis B is now also being targeted and
it is hoped to eradicate polio by the year 2000.
There is still a need for new
vaccines, for example against malaria, dengue fever, sleeping sickness, warm
infection, HIV, leprosy and others. Not only are new vaccines required, also
more effective and safer vaccines than those in used at the present time are
needed. For example the vaccine for cholera is only effective in 50% of patents
and the duration of immunity is relatively short. The flu vaccine also needs
improvement to make it more effective.
1 comments:
HOW I GOT CURED OF HERPES VIRUS.
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This testimony serve as an expression of my gratitude. he also have
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