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Ways on How Diseases and Illnesses Work Every infectious disease comes with its own certain signs and symptoms. Some general signs and symptoms to which are common to various infectious diseases includes fever, fatigue, muscle aches, coughing and diarrhea. Infectious diseases may also be caused by various things such as parasites, bacteria, viruses and fungi. Bacterias are one-cell organisms to which are the ones responsible for different illnesses like urinary tract infections, tuberculosis and also strep throat. Viruses on the other hand are smaller than bacteria, but it could cause different diseases from common cold to AIDS. There are also fungi where there are many skin diseases like athlete’s foot and ringworm are caused by fungi. There also are parasites to where one example with it is Malaria, where this is being transmitted through a mosquito bite.
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One easy way to actually catch most infectious diseases would be through coming in contact with a person or animal that have the infection. Three ways with where infectious diseases can be spread is through a direct contact through person to person, animal to person and through germs.
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One way as to how infectious diseases could spread is through a direct transfer of bacteria, germs or viruses from a certain person to another. This actually may occur when a person with bacterium or virus kisses, sneezes, touches or coughs on someone that’s not infected. Germs also could spread through an exchange of body fluids from a sexual contact. The person that passes the germs may have no symptoms of the disease, but could be the carrier. Being bitten or scratched by an animal to which is infected can make you sick and may become fatal. It could also be hazardous to handle animal waste. There are are the mother to unborn child. Pregnant women also may pass germs that could cause infectious diseases for her unborn baby. There in fact are some germs to which could pass through the placenta. Germs that are in the vagina could be transmitted to the baby at the time of birth. Disease-causing organisms can actually be passed through an indirect contact. There are in fact a lot of germs that can linger on an inanimate object such as tabletop, doorknob or a faucet handle. You also could find some germs that relies on insect carriers. Such carriers are actually known to as vectors. Mosquitoes in fact can carry the malaria parasite and deer ticks likewise carry bacterium to which causes Lyme diseases. A lot of the infectious diseases only comes with a minor complication. There also are some infections like pneumonia, AIDS and meningitis that can actually become life-threatening.