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rotavirus vaccine prevents diabetes

Rotavirus vaccine prevents diabetes in children – strong scientific evidence

Two recent peer-reviewed papers have provided strong evidence that the rotavirus vaccine prevents diabetes in children. Basically, the research shows that a rotavirus infection increases the risk for type 1 diabetes and preventing that infection with the vaccine lowers that risk.

These articles add to previous studies that have established linked between the vaccine and a lower risk of type 1 diabetes. So are we getting close to claiming that the rotavirus vaccine prevents diabetes in children? The evidence is very strong.Read More »Rotavirus vaccine prevents diabetes in children – strong scientific evidence

Evidence supports rotavirus vaccine effectiveness – vaccines save lives

The CDC recently published robust evidence that supports rotavirus vaccine effectiveness. There is nothing more powerful than epidemiological studies that show a correlation (and causality) between the drop in the incidence of a vaccine preventable disease immediately after wide introduction of a the vaccine itself in a relatively closed population.

Read More »Evidence supports rotavirus vaccine effectiveness – vaccines save lives

Reports of vaccine related effects can be useful

 

©KenRockwell.com, 2007. Photographer's son actually receiving RotaTeq vaccine and giving a smile to Paul Offit for keeping him from ever getting a rotavirus infection.

©KenRockwell.com, 2007. Photographer’s son actually receiving RotaTeq vaccine and giving a smile to Paul Offit for keeping him from ever getting a rotavirus infection.

Vaccine deniers, especially in the USA, use the passive data from the Vaccine Adverse Event Reporting System (VAERS), a system where individuals can report supposed adverse events post-vaccination, to “prove” certain adverse events. The data is considered to be “passive” because the individual reports can be made online, by fax or by mail–real causal events may be underreported and hyped, imaginary issues with no causality, can be over-reported. However, without medical investigations of causality between the vaccination and the claimed adverse events that are reported to the VAERS database, the data have no real value.

Frankly, VAERS can be gamed by those with nefarious intentions. In reality, VAERS is a feel-good system for those who think that there’s a link between vaccines and something terrible, but without an active investigation, the data is just above the level of being totally meaningless. Most epidemiologists know it is valueless. Even the VAERS system itself says that the data cannot be used to ascertain the difference between coincidence and true causality.

Furthermore, there is a background rate for mortality (death) or morbidity (abnormal medical condition), across all causes, irrespective of whether an individual is vaccinated or not, and unless you understand the background rate, the vaccine “mortality” rate has no scientific meaning. In fact, we could provide data that shows anything might cause any adverse medical event, like playing video games leads to prostate cancer, but we would have no evidence of any type of causality whatsoever.Read More »Reports of vaccine related effects can be useful

Why we vaccinate–protect kids from rotavirus induced seizures

 

H. Fred Clark and Paul Offit, the inventors of RotaTeq, a pentavalent rotavirus vaccine.

H. Fred Clark and Paul Offit, the inventors of RotaTeq, a pentavalent rotavirus vaccine.

Rotavirus is a virus that causes gastroenteritis, an inflammation of the stomach and intestines. Rotavirus causes severe watery diarrhea, often with vomiting, fever, and abdominal pain. In babies and young children, it can lead to dehydration (loss of body fluids). Globally, it causes more than a half a million deaths each year in children younger than 5 years of age. 

Prior to the launch of the rotavirus vaccine (RotaTeq® or Rotarix®) in the United States in 2006, rotavirus was the leading cause of severe diarrhea in infants and young children. Before the vaccine became available, almost all children in the United States were infected with rotavirus before their 5th birthday. Each year, in the US, rotavirus lead to more than 400,000 doctor visits; more than 200,000 emergency room visits; 55,000 to 70,000 hospitalizations; and 20 to 60 deaths in children younger than 5 years of age. After the introduction and widespread use of the vaccine, a Cochrane systematic review concluded that the rotavirus vaccines may prevent up to 96% of severe diarrhea cases arising from rotavirus.Read More »Why we vaccinate–protect kids from rotavirus induced seizures

Vaccines do save lives, and science can demonstrate it

If you spend any time reading the antivaccination rants, you will hear about all kinds of conspiracy theories, pseudoscience, and scaremongering. Given that there is little scientific evidence that supports their beliefs, they have little choice but invent strawman arguments to make their point. One of the more amusing strategies of antivaccine cult is to claim that diseases were going away before vaccinations. These people believe, without any evidence whatsoever, that diseases like polio, measles, and chickenpox were disappearing because of better sanitation. Or better nutrition. Or something other than what really ended these diseases–vaccines. It’s a historical revisionism of a legendary level.

Admittedly, part of this belief is that people lack the cultural memory of some of these diseases. Few parents born after 1970 would remember classmates who had been stricken with polio. Few would have remember measles, mumps, or other epidemics sweeping through a school. They just don’t remember it, because vaccines introduced in the 50’s and 60’s reduced, and in the case of smallpox, eliminated the disease. Of course, there is evidence that support the theory that vaccines end diseases. But we don’t have to go back 40 or 50 years to show this happens, but we can talk about a disease that has been drastically reduced in the last few years, just because of a new vaccine.

Read More »Vaccines do save lives, and science can demonstrate it