Importance of Biochemistry

Vaccinations for children



Vaccinations for children:

Vaccinations for children is very important.The child receives his first vaccinations at birth, and upon reaching toddler age.

He must have received the following vaccinations:

  •  The three hepatitis B vaccines.
  •  Diphtheria, tetanus and whooping cough vaccine.
  •  Haemophilus influenzae type b vaccine.
  •  Pneumococcal conjugate vaccine.
  •  Inactivated Poliovirus Vaccine.
  •  Measles, mumps and rubella vaccine.

Many schools require proof that the child has received the vaccinations and may not accept it in the event that he does not receive all of the vaccinations mentioned.

But there are several other vaccinations that you may want to give your children or take yourself.

1. Varicella (chickenpox) vaccine:

Not so long ago, parents used to send their children to play with their classmates and friends who had chickenpox,

And it was believed that it was better to catch smallpox when you were a child, because cases are worse when the patient is older.

However, getting the chickenpox vaccine is safer than getting the disease, and while chickenpox may not cause many problems for some people.

Serious complications such as bacterial infection and pneumonia may develop for others.

Vaccine recommendations:

According to the Centers for Disease Control and Prevention (CDC), all healthy children between 12 and 18 years old should receive two doses of the chickenpox vaccine.

And the CDC recommends giving the first vaccine between the twelfth and fifteenth months and the second vaccine between the ages of 4-6 years.

Each state has special requirements for smallpox vaccine for both young children in care homes, schools, and young adults at university,

And even if you do not live in a state where your child needs to receive two doses of the chickenpox vaccine, some private child care centers.

Schools and private universities require that their students be Inoculated with chickenpox vaccine.

Possible side effects:

Researchers indicate that the chickenpox vaccine is safe for most people and that the effects are mild in most cases and may include:

  •  Soreness, swelling, and redness around the injection site.
  •  Fever.
  •  A rash.

Rare but serious side effects:

  •  Convulsive seizures.
  •  Pneumonia.
  •  Meningitis.
  •  Generalized rash all over the body.

2. Rotavirus vaccine:

Rotavirus is a highly contagious virus that can cause severe diarrhea in infants and young children.

It usually causes vomiting and fever. If left untreated, it can lead to severe dehydration and even death.


According to the PTAH – a non-profit international health care organization – every year more than 500,000 children die around the world as a result of diarrhea.

And a third of them are due to rotavirus, and millions of other children are admitted to hospital after contracting this virus.

Vaccine recommendations:

The CDC recommends that most children receive the vaccine in order to avoid contracting this virus,

And two oral rotavirus vaccines are approved to prevent infection with the virus (Rotatex and Rotatec).

The vaccine comes in either two or three doses, and the CDC recommends doses at ages two months, four months and six months (if needed).

The first dose of the vaccine should be given before the age of fifteen weeks and the last at eight months.

It is important to point out that some children should not receive the rotavirus vaccine,

Children who have had an allergic reaction to the vaccine or other allergic reactions should not receive the vaccine,

And the CDC also recommends that children with combined immunodeficiency or other immune system problems or some kind of blockage Enterovirus called intussusception should not receive this vaccine.

Possible side effects:

Like other vaccines, the rotavirus vaccine comes with some risks. Side effects are usually mild and go away on their own and include:

  •  Temporary diarrhea or vomiting.
  •  Fever.
  •  Loss of appetite
  •  Irritation.

Some severe but rare side effects have been reported, including intussusception and hypersensitivity reactions.

Who should not receive vaccines:

Although the CDC recommends that more vaccinations be given to the majority of people, some people should not receive certain vaccines.

Such as those who are sick or have a weakened immune system. And some vaccines have other specific prohibitions.

So be sure to inform the vaccine providers your medical history thoroughly to ensure that the given vaccine is suitable for you.

3. Hepatitis A Vaccine:

Hepatitis A is an acute liver disease caused by the hepatitis A virus.

Symptoms last from a few weeks to several months, and although hepatitis A typically does not develop into a chronic disease.

In some cases symptoms can become severe and last for several months.


Symptoms may include:

  •  Tired.
  •  Stomach pain.
  •  Nausea
  •  Jaundice (yellowing of the skin and the white layer of the eyes).

Vaccine recommendations:

The CDC recommends that hepatitis A vaccine be given to all children between one and two years. It should be given in two doses, 6-18 months apart.

The vaccine is sometimes recommended for adults, travelers to certain countries, and people at high risk of infection with hepatitis A virus.

Such as gay men, drug users, and people with chronic liver disease.

Possible side effects:

Hepatitis A vaccine is relatively safe, and mild side effects can occur, including:

  •  Ulceration around the injection site.
  •  A headache.
  •  Loss of appetite
  •  Fatigue.

Some rare and serious side effects can occur, including:

  •  Respiratory problems.
  •  Guillain-Barré syndrome (muscle weakness due to nerve damage).
  •  Low platelet count.

4. Meningococcal vaccine:

Meningococcal bacteria is a dangerous type of germ that causes meningitis (inflammation of the protective layer surrounding the brain and spinal cord).

Children may become infected with meningococcal disease by living in cramped spaces with others, or by sharing utensils, kissing, or inhaling secondhand smoke of an infected person.

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Vaccine recommendations:

The CDC recommends that children between 11-12 and 16 years old receive two doses of the meningococcal vaccine.

In addition, freshmen living in dorms should receive the meningococcal vaccine, and some colleges require that their students be vaccinated before moving to campus.

Possible side effects:

The researchers suggest that the meningococcal vaccine is relatively safe, and mild side effects include:

  •  Pain and redness at the injection site.
  •  A headache.
  •  Fatigue.
  •  Ulceration.

This vaccine has a rare but serious side effect, which is Guillain-Barré syndrome, a disease in which the immune system attacks and damages nerve cells.

Serious allergic reactions: The risk of developing a serious hypersensitivity reaction is small but very important.

You should refer to the emergency department or call emergency numbers if you have any of these effects hours after receiving any vaccine:

  •  shudder.
  •  Facial swelling.
  •  Palpitations (rapid heartbeat).
  •  Breathing problems
  •  rotary.
  •  fatigue.

5. HPV vaccine:

Human papillomavirus is a common virus that is typically transmitted through sexual contact.

According to the CDC, about 80 million people have been infected in the United States of America (constituting about a quarter of the population) with about 14 million new infections annually.

Some strains of HPV do not cause significant problems, but others may cause complications, including:

  •  Cancers of the cervix, vagina and vulva in women.
  •  Penile cancer in men.
  •  Cancers of the anus and pharynx.
  • Genital warts in both men and women

Vaccine recommendations:

Currently, the HPV vaccine is generally recommended for both males and females aged 11-12 years.

And for those who have not been vaccinated at this age, it is recommended for females between 13 and 26 years old and for males between 13 and 21 years old.

The only HPV vaccine currently on the market in the United States is Gardasil 9.

Possible side effects:

Studies indicate that the HPV vaccine is relatively safe and that side effects are usually mild and prevented:

  •  Pain, redness and swelling at the injection site.
  •  nausea.
  •  fainting.
  •  rotary.
  •  a headache.

Serious side effects are rare but may include:

  •  Guillain-Barré syndrome.
  •  Blood clots
  •  Muscle paralysis.

6. TDap booster vaccine:

This vaccine is a supportive combination that protects adults and children from three diseases that were very common in the United States before this vaccine was developed, and these diseases are:

  •  Diphtheria (a serious infection of the nose and throat).
  •  Tetanus (a bacterial disease that attacks the body’s nervous system).
  •  Whooping cough (a highly contagious respiratory disease).

Since the introduction of the TDAP booster vaccine, reports indicate that cases of tetanus and diphtheria have decreased by 99%, and whooping cough cases have decreased by 80%.

Vaccine recommendations:

The boostrix vaccine is approved for use in children up to ten years old, and the Adacel vaccine is given in a single dose to people ages 10 to 64 years.

The CDC recommends that people who have not yet received the vaccine should take it as soon as the opportunity arises,

And this vaccine should be received by health care providers or anyone who has close contact with newborns, and this includes pregnant women,

And they must receive the vaccine every pregnancy to protect their newborns from whooping cough.

Possible side effects:

The TDap booster vaccine is a safe vaccine for most people, and its mild side effects include:

  •  Pain and redness at the injection site.
  •  Mild fever.
  •  a headache.
  •  fatigue.
  •  General pain in the body.

More serious and rare side effects include:

  •  Severe hypersensitivity reactions.
  •  High fever


The above vaccines have made a huge difference in preventing disease and are a general health success story and have helped countless people avoid serious illness and possibly death.


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