Which one of the following diseases is not caused by bacteria?

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Hint: This disease is caused by a plasmodium parasite, transmitted by the bite of infected mosquitoes. The severity of this disease varies and is based on the species of plasmodium infected with.

Complete answer:
The disease is mainly a disorder of a specific structure or a function in a human, animal, or plant body, that may produce symptoms or affect a specific location and does not simply mean physical injury. Bacteria and viruses are different types of pathogens that can cause different diseases. Bacteria are larger than viruses in size and are also capable of reproducing on their own. Viruses on the other hand are much smaller than bacteria and cannot reproduce on their own. Instead, viruses reproduce by infecting a host organism and using the host's DNA to repair and replicate themselves to make copies of itself.
Additionally, the symptoms of a bacterial or viral infection depend on the area of the body that is affected. Sometimes the symptoms caused by either bacteria or virus can be very similar. For example, runny nose, cough, headache, and fatigue are common symptoms of the common cold (virus) and sinus infection (bacteria).

Additional information:
-Typhoid is a bacterial disease caused by a bacterium known as Salmonella typhi. Typhoid fever is an infection that spreads through the contamination of food and water.
Vaccines are recommended in those areas where typhoid fever is generally common.
-Anthrax is caused by bacteria, Bacillus anthracis. It is a rare disease but can change into a serious bacterial illness. It is caused by a spore-forming bacterium that mainly affects different animals. Many people can become infected at the same time through contact with an infected animal or by inhaling spores.
-Tuberculosis is caused by bacteria, Mycobacterium tuberculosis. It is a very serious infectious bacterial disease that mainly affects the respiratory system.
The bacteria that cause tuberculosis, spread when an infected person coughs or sneezes
-Malaria is caused by parasitic protozoa plasmodium out of which two species Plasmodium falciparum and Plasmodium vivax are most dangerous. Once the parasite gets a host body, they travel to the liver, where they mature. After several days, the mature parasites through the bloodstream begin to infect red blood cells.
So, the correct answer is option (d) ‘Malaria’.

Note: The vast majority of bacteria are harmless to humans and some strains are even beneficial in many biological processes. In the human gastrointestinal tract, good bacteria aid in digestion and produce necessary vitamins. They also help with boosting immunity, making the body less hospitable to bad bacteria and other harmful pathogens.