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Poliomyelitis is the name of the disease caused by the poliovirus, and it mostly affects children under the age of 5, causing paralysis in a small percent of cases. The disease had been around since the 1800s at low levels, but became an epidemic in multiple countries between the 1910s-1960s. Because polio was killing…

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Chinese researchers studied which animals are at risk of becoming infected with the coronavirus and if they can pass it on to others. They discovered that at high levels of exposure, cats and ferrets were more likely to become infected with the novel coronavirus. However, dogs showed no evidence of COVID-19 symptoms or…

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In this study, 50% of patients tested positive for COVID-19 after recovery in the hospital and two weeks of isolation. They were found to still have the coronavirus in their system for up to eight days after symptoms disappeared.

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Since December, 2019 a virus which causes the COVID-19 disease has been spreading, resulting in a global pandemic. While some questions about COVID-19 can be answered, researchers are still working on other aspects. In one review article, researchers overview aspects of COVID-19 relevant to biology, medicine, and…

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Reality now matches what was predicted. According to models, travel restrictions alone would only delay the epidemic status of COVID-19. But when they are combined with social distancing, the two policies drastically reduce the predicted number of new cases.

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A group of researchers gathered evidence from previous studies and, using what is known about the virus structure, made the case that the 2019 novel coronavirus was unlikely to have been intentionally engineered.