Most vaccine-preventable diseases are caused by germs that are called "viruses" or "bacteria." Vaccines to help prevent these diseases generally contain weakened or killed viruses or bacteria specific to the disease. Vaccines help your body recognize and fight these germs and protect you each time you come in contact with someone who is sick with any of these diseases... Showed first 250 characters
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Most vaccine-preventable diseases are caused by germs that are called "viruses" or "bacteria." Vaccines to help prevent these diseases generally contain weakened or killed viruses or bacteria specific to the disease. Vaccines help your body recognize and fight these germs and protect you each time you come in contact with someone who is sick with any of these diseases... Showed next 250 characters
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Many people in the past used to think that illness came from bad spirits or that their god where mad at them. Now we know that it is caused by person to person, environment, animal bite, contaminated objects, and food that people eat...
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Bacteria, a prokaryote, is the smallest free living organism on the planet; so small that they are the size of one millionth of a pinhead. They divide to reproduce, called binary fission, and can grow in extremely rapid rates...
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There are two different strains of domain Bacteria. There are gram negative and gram positive. Gram negative bacteria are more complex and they have an out membrane that contains lipopolysaccharides...
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The microorganisms generally considered suitable for biological warfare include viruses, bacteria, protozoa, and fungi. Toxins (poisonous chemicals) produced by microorganisms also are considered biological weapons...
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The materials we used to make this test possible consists of a sterile nutrient agar Petri dish, the bacteria Serratia marcescens, Erythromycin antibiotic disk, Ampicillin antibiotic disk, Penicillin antibiotic disk, sterile disk of blank filter paper, marking pen, long ? handled cotton swab, forceps, metric ruler, and a 37°C incubator...
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Historically, infectious diseases have been affecting humanity for hundred of years and now they are the biggest killers of kids and young adults in the world producing more than thirteen millions of deaths in a year...