Allergy

Tuberculosis

Puzzling associations between childhood infections and the later occurrence of asthma and atopy. 2000, von Hertzen, Ann Med

According to some studies, systemic infections such as measles, hepatitis A and tuberculosis infection prevent allergies and asthma, because some bacterial and viral infections shift the immune response toward Th1.
BCG vaccination, however, does not prevent allergies and asthma.

Hepatitis A

Cross sectional retrospective study of prevalence of atopy among Italian military students with antibodies against hepatitis A virus. 1997, Matricardi, BMJ

Recruits in Italy, who had antibodies for hepatitis A, suffered from asthma and allergic rhinitis 2 times less often, than the soldiers who did not have antibodies. Recruits, who had older brothers, also suffered from allergic diseases less frequently, which means that hepatitis A is not the only infection that decreases the risk of allergic diseases.
Hepatitis A was an endemic disease in Italy in the 1970s. It was usually an asymptomatic childhood disease.
Other studies in recent decades also reveal an inverse relationship between hepatitis A antibodies and allergies in different countries. In the 1970s in the USA, hepatitis A antibodies were more often detected in the older generation than in the younger one, whereas younger generation had more atopic diseases.

Hepatitis A

The prevalence of atopy in children with antibodies against hepatitis A virus and hepatitis B virus. 2006, Kocabaş, Turk J Pediatr

Children who did not have hepatitis A antibodies suffered from asthma and allergic rhinitis 9 times more often. Those who did not have hepatitis B antibodies suffered from allergic diseases 5.9 times more often. More: [1].

Measles

Measles and atopy in Guinea-Bissau. 1996, Shaheen, Lancet

In children in Guinea-Bissau, who had been ill with measles, the allergy was 3 times less common than in vaccinated children who did not get it. They allergic to a home dust mite 5 times less often.
Explained this is because the measles virus stimulates cellular immunity, whereas humoral immunity is responsible for allergies.
Children who have been breastfed for more than a year and children in pig houses have also had an allergy less often, according to indirect data, infections protect against allergies only if infection occurs in the p anneme age. Most likely, the reaction of T cells to allergens ripens to 5-7 years of age, and before that time it is changing under the influence of environmental factors such as infections.

Measles

Allergic disease and atopic sensitization in children in relation to measles vaccination and measles infection. 2009, Rosenlund, Pediatrics

A study of 14,900 children from five European countries: those who had had measles, allergy was twice as rare, and the vaccination also reduced allergies, but less. In vaccinated and not infected measles, the risk of rhinoconjunctivitis was at 70 % higher than those who were unvaccinated and not ill.
11% of vaccinated children had measles, 31% of unvaccinated children did not get measles.. Similar study Antibiotics in the first year of life are associated with an increased risk of rhinoconjunctivitis in 2 times, asthma 2.8 times, eczema 1.6 times. increase the risk of asthma by 54% and eczema by 32%.

Measles

Frequency of allergic diseases following measles. 2006, Kucukosmanoglu, Allergol Immunopathol (Madr)

Ill-treated measles were less likely to have allergic diseases. More: [1].

Measles

Atopy in children of families with an anthroposophic lifestyle. 1999, Alm, Lancet

Those who were not vaccinated with MMR, allergies were 33% less common, those who fed mostly organic allergy products were 37% less likely. Allergies were also less common in those who did not use antibiotics, did not use antipyretic drugs, were ill with measles, ate fermented vegetables, or were at breastfeeding for at least 4 months.

Diphtheria

The concept of allergies was unknown until 1906. It was invented by an Austrian pediatrician and used to describe the strange symptoms he observed in those who received the diphtheria immunoglobulin.
The concept of anaphylactic shock also did not exist until 1902.

Aluminum

Aluminum hydroxide is used to stimulate allergies in mice.
Intracerebral injections of aluminum hydroxide cause epilepsy in monkeys.

Unvaccinated

Pilot comparative study on the health of vaccinated and unvaccinated 6- to 12-year old U.S. children. 2017, Mawson, JTS

The study compares homeschooled children in four states of the USA. 405 vaccinated and 261 unvaccinated children.
Acute diseases:
Vaccinated children had chicken pox 4 times less often, whopping cough – 3 times less often and rubella – 10 times less often.
Vaccinated children had otitis media 4 times more often and pneumonia – 6 times more often.
Chronic diseases:
Those vaccinated had allergic rhinitis 30 times more often. They had allergies 4 times more often, ASD – 4 more often, ADHD – 4 times more often, eczema – 3 times more often, learning disabilities – 5 times more often, neurological disorders – 4 times more often. Vaccinated children had any type of chronic illness 2.5 times more often.
Vaccinated children used allergy medicines 21 times more often, antipyretics – 4.5 times more often, ear-drainage tubes – 8 times more often. They went to see a doctor, due to illness, 3 times more often and were hospitalized 1.8 times more often.
Some more interesting results from this study: risk of neurological disorders associated with the use of antibiotics during pregnancy (2.3 times), use of medicine during pregnancy (2.5 times), prematurity (5 times), ultrasound (1.7 times), and ultrasound done more than 3 times during pregnancy – 3.2 times.
The number of neurological disorders in vaccinated children (14.4%) coincides with the CDC studies (15%). The number of learning disabilities also coincides (5.6% of the vaccinated children in this study, and 5% according to available statistics).
However, judging by this study, there is already 3.3% of autistic children among vaccinated, i.e. 1 in 30 children. But, perhaps, it is an overestimation, as it is likely that children with ASD are homeschooled more often. (According to the CDC 2.24% of children are with ASD, i.e. 1 in 45 in 2015 and 1 in 36 in 2017).
Vaccination of a premature baby is associated with a 14 times increase in the risk of neurological disorders.

Unvaccinated

Is infant immunization a risk factor for childhood asthma or allergy? 1997, Kemp, Epidemiology

New Zealand, 23 unvaccinated (against DTP and Polio) out of 1,256 10-year old children. Out of the vaccinated children 23% had asthma, 22% got consults on asthma, and 30% had allergies.
There wasn’t a single case of asthma, or consults on asthma, or allergies among the unvaccinated children.

Unvaccinated

Vaccination and Allergic Disease: A Birth Cohort Study. 2004, McKeever, Am J Public Health

A study of 30 thousand children from the UK.
Children vaccinated against diphtheria/tetanus/pertussis/polio had asthma 14 times more often and eczema – 9 times more often than unvaccinated children.
Children vaccinated against measles/mumps/rubella had asthma 3.5 times more often and eczema – 4.5 times more often.
The numbers seem to speak for themselves, right? But these figures do not suit the authors, as they want to justify vaccinations. So they do two sleights of hand.
First, they determined that unvaccinated children visit doctors less. In their opinion, this does not mean that unvaccinated children get sick less often, but rather that their chance of being diagnosed is lower than of those vaccinated! Therefore, they make a correction. It turns out not to be enough, however.
They go further and divide all children into 4 groups by the number of visits to the family doctor, and then analyze each group separately. And, oh miracle, statistical significance among those who go to the doctors often disappears! But among those who went to see doctors less then 3-6 times, the vaccinated children had asthma and eczema 10-15 times more often than the unvaccinated ones anyway.
Authors, with a clear consciousness, conclude that vaccinations do not increase the risk of asthma or eczema.
Doctors, who only read the abstract (meaning almost everyone, since only few people read these articles in full), only learn of the conclusion and, with a calm heart, go on and continue to vaccinate children.
Such sleights of hand are often found in the studies that allegedly prove the safety of vaccinations.

Unvaccinated

Effects of diphtheria-tetanus-pertussis or tetanus vaccination on allergies and allergy-related respiratory symptoms among children and adolescents in the United States. 2000, Hurwitz, J Manipulative Physiol Ther

Children vaccinated against tetanus or with the DTP vaccine had asthma twice more often, allergies – 63% more often, and sinusitis – 81% more often, than the unvaccinated ones.

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