BIOLOGICAL CLASSIFICATION
VIRUSES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Viruses and bacteria
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Viruses and fungi
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Viruses only
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Viruses, fungi and bacteria
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Detailed explanation-1: -Vaccines boost our immune system by developing immunity against disease-causing pathogens. Vaccines prevent us from many fatal diseases. It also reduces the risk of infection transmission from one person to another.
Detailed explanation-2: -Vaccines help your immune system fight infections faster and more effectively. When you get a vaccine, it sparks your immune response, helping your body fight off and remember the germ so it can attack it if the germ ever invades again.
Detailed explanation-3: -Use part of the bacteria Some bacteria cause disease by making a harmful protein called a toxin. Several vaccines are made by taking toxins and inactivating them with a chemical (the toxin, once inactivated, is called a toxoid). By inactivating the toxin, it no longer causes disease.
Detailed explanation-4: -Live bacterial vaccines: BCG, adenovirus, and oral Ty21aSalmonella typhi vaccine; Live viral vaccines: MMR, MMRV, OPV, LAIV, yellow fever, zoster, rotavirus, varicella, and vaccinia (smallpox).
Detailed explanation-5: -Several vaccines against extracellular bacteria have been developed in the past and are still used successfully today, e.g., vaccines against tetanus, pertussis, and diphtheria.