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Tularemia is not spread directly from person to person. [14] Humans can also be infected through bioterrorism attempts. [15] Francisella tularensis can live both within and outside the cells of the animal it infects, meaning it is a facultative intracellular bacterium. [16]
Human infection with F. tularensis can occur by several routes. Portals of entry are through blood and the respiratory system. The most common occurs via skin contact, yielding an ulceroglandular form of the disease. Inhalation of bacteria, [8] particularly biovar F. t. tularensis, [citation needed] leads to the potentially lethal pneumonic ...
Tularemia is a bacterial infection which is still a threat. [1] It is also referred to as "rabbit fever" and it is a zoonotic disease which can easily pass from animals to humans. The most common way that it is spread is through various insects which hop between species, such as ticks. [ 3 ]
There are more than 2,000 species of tiny (0.04 to 0.15 inches), wingless, blood-sucking fleas that live on the body of the host they infest. Although fleas cannot fly, they have developed ...
Pandemics timeline death tolls. This is a list of the largest known epidemics and pandemics caused by an infectious disease in humans. Widespread non-communicable diseases such as cardiovascular disease and cancer are not included.
Studies on Long-Term Semaglutide Use. More studies are needed, but long-term semaglutide use appears to be safe. A 2022 study — funded by Novo Nordisk, the manufacturer of Ozempic and Wegovy ...
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The infective form of microsporidia (E. cuniculi) is a resistant spore which can survive for a long time in the environment. The spore extrudes its polar tubule and infects the host cell. The spore injects the infective sporoplasm into the eukaryotic host cell through a polar tube. Inside the cell, the sporoplasm undergoes extensive multiplication.