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They acquired it by becoming infected but surviving the infection.

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13y ago
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8y ago

Before vaccines were developed, the only way for someone to develop immunity to a disease was to have the disease and survive it.

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Q: How did people develop immunity to a disease before the development of vaccines?
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What type of vaccine falls into the innate immunity?

Most live attenuated vaccines (influenza vaccines in humans, infectious bronchitis and Newcastle disease vaccines in chickens are types that activate innate immunity responses.


How do vaccines produce immunity?

If I remember correctly, I learned that in medieval China, when smallpox came, they developed a cure that exposed the body to a small dosage of the disease so the body would develop an immunity towards it. So to answer your question, Vaccinations are a small percentage of the disease/illness/infection itself so the body will make ways to fight it.


What do you call a substances that contains weakened bacteria or viruses that is injected to produce immunity to a disease?

These substances are called "vaccines".


How would you develop natural active immunity to chickenpox?

Natural active immunity to chickenpox is developed by being infected with chickenpox disease.


Is there a vaccine or immunity against Lyme disease?

Lyme disease vaccine has not been produces since 2003, but once a person is infected with a particular strain of the disease, they can develop an immunity that can last up to nine years.


What disease can be prevent by immunization?

Many diseases can be prevented by immunization, including polio, measles, mumps, rubella, chickenpox, hepatitis B, and influenza. By receiving vaccines, individuals can develop immunity to these diseases and reduce the risk of becoming infected.


A what is a preparation of weakened or killed pathogens that can prompt the body to produce immunity to a disease?

You are giving the definition of a vaccine but not "what is the following to choose from"


Do we need to take different vaccines for typhoid and yellow fever?

Yes, they are not the same disease and one vaccine doesn't give immunity to the second.


What is one way a child could develop an immunity to a certain disease without being vaccinated?

By catching the disease and recovering.


How did Dr Louis Pasteur develop the anthrax vaccine?

Louis Pasteur developed the anthrax vaccine by exposing sheep to weakened anthrax bacteria, observing that they developed immunity against the disease. He then tested the vaccine on a farm and successfully protected sheep from anthrax infection. This method laid the foundation for the development of vaccines based on weakened or attenuated pathogens.


What is the resistance from an organism to disease is know as what?

Immunity.Depending on how an organism becomes immune to an INFECTIOUS disease, classifies the immunity into :Active/ PassiveNatural/ ArtificialActive immunity- the organism produced its own antibodies to the disease.Passive immunity- the organism was given antibodies to fight the disease (this type does not last.. so that if the organism is re-infected with the SAME disease...it is not resistant like previously)Natural immunity- the organism naturally was infected to develop active immunity or given antibodies (from mother's milk).Artificial- the organism was deliberately infected to develop active immunity or given extracted antibodies (probably produced from rat's spleen).


Why aren't vaccines done annually?

The purpose of a vaccine is to build the body's immunity to the specific disease. It is expected that you will acquire immunity after a certain number of shots. As long as you maintain your immunity for that specific virus, you will not need another shot. I have to get a measles shot every year, because for some reason I do not retain my immunity.