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Infectious diseases capable of airborne transmission include many of considerable importance both in human and veterinary medicine. The relevant infectious agent may be viruses , bacteria , or fungi , and they may be spread through breathing, talking, coughing, sneezing, raising of dust, spraying of liquids, flushing toilets , or any activities ...
It is estimated that DVT affects one in 5,000 travellers on long flights. [9] [10] Risk increases with exposure to more flights within a short time frame and with increasing duration of flights. [10] According to a health expert in Canada, even though the risk of a blood clot is low, given the number of people who fly, it is a public health ...
Tuberculosis generally affects the lungs, but it can also affect other parts of the body. [1] Most infections show no symptoms, in which case it is known as latent tuberculosis. [1] Around 10% of latent infections progress to active disease that, if left untreated, kill about half of those affected. [1]
An infectious disease agent can be transmitted in two ways: as horizontal disease agent transmission from one individual to another in the same generation (peers in the same age group) [3] by either direct contact (licking, touching, biting), or indirect contact through air – cough or sneeze (vectors or fomites that allow the transmission of the agent causing the disease without physical ...
When the immune system responds to the infection, even more lung damage may occur. [44] Primarily white blood cells, mainly mononuclear cells, generate the inflammation. [60] As well as damaging the lungs, many viruses simultaneously affect other organs and thus disrupt other body functions. Viruses also make the body more susceptible to ...
Airborne viruses travel much like cigarette smoke, he explained. The scent will be strongest beside a smoker, but those farther away will inhale more and more smoke if they remain in the room ...
The reason it’s so contagious is because when you’re sick, “you can shed billions of norovirus particles that you can’t see without a microscope,” the agency explains. Getty Stock image ...
Respiratory diseases, or lung diseases, [1] are pathological conditions affecting the organs and tissues that make gas exchange difficult in air-breathing animals. They include conditions of the respiratory tract including the trachea , bronchi , bronchioles , alveoli , pleurae , pleural cavity , the nerves and muscles of respiration .