science

Hexavalent vaccine

Hexavalent vaccine is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Hexavalent vaccine rather than just read about it. In short: A hexavalent vaccine, or 6-in-1 vaccine, is a combination vaccine with six individual vaccines conjugated into one, intended to protect people from multiple diseases. The term usually refers to the children's vaccine that protects against diphtheria, tetanus, pertussis, poliomyelitis, haemophilus B, and hepatitis B, which is used in more than 90 countries around the world including in Europe, Canada, Australia, Jord…

Key takeaways

Hexavalent vaccine belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Hexavalent vaccine to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Hexavalent vaccine from memory before moving on to harder problems.

Reference excerpt

A hexavalent vaccine, or 6-in-1 vaccine, is a combination vaccine with six individual vaccines conjugated into one, intended to protect people from multiple diseases. The term usually refers to the children's vaccine that protects against diphtheria, tetanus, pertussis, poliomyelitis, haemophilus B, and hepatitis B, which is used in more than 90 countries around the world including in Europe, Canada, Australia, Jordan, and New Zealand.

Formulations The generic vaccine is known as diphtheria and tetanus toxoids and acellular pertussis adsorbed, inactivated poliovirus, haemophilus b conjugate [meningococcal protein conjugate] and hepatitis b [recombinant] vaccine. The liquid vaccine is also known in abbreviated form as DTaP-HepB-IPV-Hib or DTPa-HepB-IPV-Hib. Branded formulations include Hexavac, Hexaxim, Hexyon, and Vaxelis manufactured by Sanofi Pasteur. There is a two-part formulation known in abbreviated form as DTaP-IPV-HepB/Hib or DTPa-HBV-IPV/Hib. It consists of a suspension of diphtheria, tetanus, acellular pertussis, hepatitis B, and inactivated poliomyelitis (DTaP-IPV-HepB or DTPa-HBV-IPV) vaccine that is used to reconstitute a lyophilised (freeze-dried) Haemophilus influenzae type B (Hib) powder. A branded formulation with a 3-antigen pertussis component, Infanrix hexa, is manufactured by GlaxoSmithKline.

Society and culture

Legal status In October 2000, the European Commission issued marketing approval for Hexavac and for Infanrix hexa. Marketing approval for Hexavac was suspended in November 2005, on the advice of the agency's Committee for Medicinal Products for Human Use (CHMP) in view of the variability of its long-term protection against hepatitis B. In April 2012, the manufacturer Sanofi Pasteur voluntarily withdrew the product from the market. The European Commission formally withdrew marketing permission in June 2012. In June 2012, the European Medicines Agency (EMA) issued a positive first opinion on Hexaxim for use outside the EU, in cooperation with the World Health Organization (WHO), but later withdrew the opinion. In April 2013, marketing approval in the EU was granted to Hexyon and to Hexacima. In February 2016, marketing approval in the EU was granted to Vaxelis. In December 2018, the US Food and Drug Administration (FDA) licensed a hexavalent combined diphtheria and tetanus toxoids and acellular pertussis (DTaP) adsorbed, inactivated poliovirus (IPV), Haemophilus influenzae type b (Hib) conjugate (meningococcal protein conjugate) and hepatitis B (HepB) (recombinant) vaccine, DTaP-IPV-Hib-HepB (Vaxelis), for use as a three-dose series in infants at ages two, four, and six months. In June 2019, the Centers for Disease Control and Prevention (CDC) Advisory Committee on Immunization Practices (ACIP) voted to include DTaP-IPV-Hib-HepB in the federal Vaccines for Children Program (VFC).

References

Illustrations

Worked examples

Example 1 — a first encounter with Hexavalent vaccine

Start with the simplest possible case. Write down what Hexavalent vaccine claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Hexavalent vaccine before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Hexavalent vaccine ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Hexavalent vaccine

In research: Hexavalent vaccine appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Hexavalent vaccine in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Hexavalent vaccine is common in secondary-school and first-year university syllabi. It links to neighbouring topics Combination vaccines, Diphtheria vaccines, Haemophilus, so understanding it makes those chapters shorter.
In everyday life: Look for Hexavalent vaccine outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Hexavalent vaccine in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Hexavalent vaccine means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Hexavalent vaccine out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Hexavalent vaccine in simple terms?

Why does Hexavalent vaccine matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Hexavalent vaccine?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Hexavalent vaccine.