“There is no convincing evidence that any of the variants have special propensity to infect or cause disease in children. Health authorities have identified a new coronavirus behind the death of one man and dozens of others falling ill. Although most people who have COVID-19 have mild symptoms, COVID-19 can also cause severe illness and even death. We give the virus an advantage to evolve when we congregate in more confined spaces,” he says. Still, other vaccines currently being tested appear to offer protection from severe disease in people infected with B.1.351. ICTV announced “severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)” as the name of the new virus on 11 February 2020. The virus then becomes less abundant in the body as the immune system marshals a defense. Ray says it is the nature of RNA viruses such as the coronavirus to evolve and change gradually. The virus, which has been slowly spreading throughout the first half of the year, is known as the SFTS Virus. Here's what we know so far. Studies are underway to understand more about whether any of the variants are more easily transmitted.”. On February 11, 2020, the World Health Organization announced an official name for the disease that is causing the 2019 novel coronavirus outbreak. "We now have a name for the disease and it's COVID-19," World Health Organization chief Tedros Adhanom Ghebreyesus told reporters in Geneva. When this changes, we will update this website. The first account of the West Nile Virus in the U.S. was in New York City in the summer of 1999. Animal coronaviruses rarely infect people and then spread between people. It might also be somewhat resistant to some of the coronavirus vaccines in development. Please understand that our phone lines must be clear for urgent medical care needs. Tedros said that "co" stands for "corona", "vi" for "virus" and "d" for "disease", while "19" was for the year, as the outbreak was first identified on 31 December. Officials are still unclear about how this one will spread between people. “Most come and go — some persist but don’t become more common; some increase in the population for a while, and then fizzle out. Its mutations have … CDC twenty four seven. We need to be vigilant in monitoring such shifts, but we can only speculate at this point,” he says. Different variants have emerged in Brazil, California and other areas. Sometimes new variants emerge and disappear. News China: One dead from mysterious new virus, dozens sick. Although most people who have COVID-19 have mild symptoms, COVID-19 … On the other hand, mutations that make a virus more deadly may not give the virus an opportunity to spread efficiently. “Geographic separation tends to result in genetically distinct variants,” he says. In December 2020, news media reported a new variant of the coronavirus that causes COVID-19, and since then, other variants have been identified and are under investigation. The virus then becomes less abundant in the body as the immune system marshals a defense. But there is a chance that it could give people who survived the original coronavirus another round of mild or moderate COVID-19. Today, the World Health Organization (WHO) announced the official new name of the disease caused by nCoV2019 (2019 novel coronavirus), the strain of … He notes that some of the mutations in the B.1.1.7 version seem to affect the coronavirus’s spike protein, which covers the outer coating of SARS-CoV-2 and give the virus its characteristic spiny appearance. Bollinger explains that it may be more advantageous for a respiratory virus to evolve so that it spreads more easily. “People who have received the vaccines should watch for changes in guidance from the CDC [Centers for Disease Control and Prevention], and continue with coronavirus safety precautions to reduce the risk of infection, such as mask wearing, physical distancing and hand hygiene.”. “When the evidence is strong enough that a viral genetic change is causing a change in the behavior of the virus, we gain new insight regarding how this virus works.”, “As far as these variants are concerned, we don’t need to overreact,” Bollinger says. “Nonetheless, we must continue to be vigilant for such phenomena.”. This virus is carried by pigs and researchers believe it can infect humans. Coronaviruses, named for the crown-like spikes on their surfaces, are a large family of viruses that are common in people and many different species of animals, including camels, cattle, cats, and bats. 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