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Hilary's Desk

Whooping cough in Australia.

Hilary Butler - Wednesday, June 06, 2012

You will better understand these blogs if you study each link.  In a letter dated 18 May 2012, the Ministry of Health wrote:

The pertussis containing vaccines are effective but do not protect all babies. The pertussis vaccine currently used in New Zealand and other developed countries offers protection of around 84 percent after three doses….. Adults immunisation is recommended for those who have contact with babies or someone who has an underlying respiratory condition.

Pertussis incidence and mortality have declined in the last 50 years in many places around the world mainly as a result of immunisation activities. However, the incidence of pertussis disease has increased in countries where pertussis immunisation rates decreased in the past for example Japan, Sweden and United Kingdom. When immunisation programmes were re-established the rates of disease decreased again.

Has the whooping cough vaccine stopped whooping cough in Australia?

No.  Here is all the proof you need of that.  Two documents:

A medical article Pertussis Sheil 93 OZ pertussis vaccine history of Australia, and the statistics from 1991 to 23 May 2012

 Australia has one of the HIGHEST vaccination rate in the world with the MOST doses in the world.  And still the infection rates are skyrocketing.

As Nairns 2012  says:

Of course the "experts" have various excuses. 

The first is that more cases are being diagnosed than in the past.  Which presumably means that like everywhere else, Australian doctors were blind, don't know how to diagnose whooping cough, and their historical data is about as "useless" as everywhere else. 

But the second excuse is...., as Australian medical observer says:

“The prolonged whooping cough epidemic in Australia that began during 2008 has been predominantly caused by the new genotype of B. pertussis,” said researcher Associate Professor Ruiting Lan from the UNSW School of Biotechnology and Biomolecular Sciences.

“The genotype was responsible for 31% of cases in the 10 years before the epidemic, and that’s now jumped to 84% – a nearly three-fold increase, indicating it has gained a selective advantage under the current vaccination regime.

“We need to look at changes to the vaccine itself or increase the number of boosters.”
 

Why increase the numbers of boosters- if the strains are different? 

National media reported it this way:

DANGEROUS new strains of whooping cough bacteria are evading Australia's vaccine against the disease and entrenching a four-year epidemic that could spread overseas, Sydney scientists have found in research that raises questions about the national immunisation program.

Microbiologists from the University of NSW have found variants of the pertussis bacteria with a particular genetic signature have increased to 86 per cent of all samples taken from infected people after a continuing disease epidemic began in 2008.

Although the strains were present in Australia as early as 2000, they accounted for only 31 per cent of all samples collected between 2000 and 2007 – suggesting they have flourished alongside the current vaccine against the potentially fatal respiratory infection.

The strains have "swept across Australia during the epidemic period" according to Ruiting Lan, from the school of biotechnology and biomolecular sciences. More than 13,000 whooping cough cases were diagnosed in 2011 – an all-time high.

The Children's Hospital at Westmead treated 76 children for whooping cough in 2011, up from 47 the previous year. The Sydney Children's Hospital treated 34 children in 2011, up from 16 the previous year.

An acellular vaccine – introduced in Australia in 1997 after concerns about side-effects from the previous whole cell version – appeared to have promoted the spread of these variants, Dr Lan said, which overseas authorities had linked to "higher virulence on the basis of hospitalisation and case mortality data".

He warned that other countries using similar vaccines should be alert for shifts in genetic features detected in the whooping cough bug. "The vaccine is still the best way to reduce transmission of the disease and reduce cases, but it appears to be less effective against the new strain and immunity wanes more rapidly. We need to look at changes to the vaccine itself or increase the number of boosters,” said Dr Lan, whose analysis of cultured bacteria from 194 whooping cough patients was published last week in the Journal of Infectious Diseases
.

There are two problems with this analysis:

1)  The strains were probably brought in from overseas, where Paul Fine talks about them in 1987:

Once again, it would seem that Australian experts have little idea of previously published worldwide medical literature.

In Netherlands where they achieved a 98% vaccination rate for 50 years with "on-time" vaccination delivery....  vaccination has been driving selection of more toxic strains during that time  (Moie 98 and Moie 2009). The same applies in Japan, and UK.  I don't think that Australia needs to worry about exporting it's new toxic strains.... since whooping cough vaccination started to drive mutation, at least around 1990, accoridng to Moie in 1998. So Europe got there 3at least 40 years ago.

In the meantime, in America, which has a higher vaccination rate than Australia, with similar whooping cough endemic problems, parents continue to be seriously cranially challenged, and just like the doctors in New Zealand, and Australia, blame the non-vaccinators for the fact that whooping cough is still around.

Which is very strange when you consider that Witt 2012 had this to say:

Yet despite this, Witt advocates... wait for it... MORE BOOSTERS.... just like the Australian mantra.  After all, what else do they have to offer?  Nothing.

There is a very good reason why there is a huge increase in older children and adults, which is explained clearly in the medical literature.  The fact is... that the vaccine messes up long term immunity.  and that is described in the blog called "Whooping cough - Immunity".

 

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