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      What is the source of COVID-19?

      Cardiology Image 1 Verified By Apollo Pulmonologist March 11, 2020

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      What is the source of COVID-19?

      Coronaviruses are a large family of viruses. Some cause illness in people, and others, such as canine and feline coronaviruses, only infect animals. Rarely, animal coronaviruses that infect animals have emerged to infect people and can spread between people. This is suspected of having occurred for the virus that causes COVID-19. Middle East Respiratory Syndrome (MERS) and Severe Acute Respiratory Syndrome (SARS) are two other examples of coronaviruses that originated from animals and then spread to people.

      The SARS-CoV-2 virus that causes COVID-19 is a betacoronavirus (like MERS-CoV and SARS-CoV).  All three of these viruses have their origins in bats. The sequences from the US patients are similar to those that China initially posted, suggesting a likely single, recent emergence of this virus from an animal reservoir.

      Early on, many of the patients at the epicenter of the outbreak in Wuhan, Hubei Province, China had some link to a large seafood and live animal market, suggesting animal-to-person spread. Later, a growing number of patients reportedly did not have exposure to animal markets, indicating person-to-person spread. Person-to-person spread was subsequently reported outside Hubei and in countries outside China. (Source: CDC)

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      The content is verified and reviewd by experienced practicing Pulmonologist to ensure that the information provided is current, accurate and above all, patient-focused

      Cardiology Image 1

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