dễ thui nhưng chuẩn thì mới vote 5 đc WHO declares coronavirus a public health emergency of international concern. ….(1)…. , the public should do "what you do every cold and flu season," said Dr. John Wiesman, the health secretary in Washington State - where the first US case of Wuhan coronavirus was confirmed. That includes washing your hands often with soap and water ……(2)….. at least 20 seconds. If you're the one feeling sick, cover your entire mouth and nose when you cough or sneeze. But don't use your hands. Use either your bent elbow or a tissue that you …..(3)…… immediately afterward. WHO also recommends staying at least 3 feet or 1 meter away from anyone …(4)…. may be infected. Patients can be treated and may recover from their symptoms, but there is no known cure for the novel coronavirus yet. Scientists are working ……(5)…..a vaccine, but don't expect it anytime soon. The US National Institutes of Health is trying to develop one, but says it will …..(6)….at least a few months before clinical trials start and more than a year until a vaccine might actually become available. Separately, scientists in Texas, New York and China are also trying to create a vaccine, said Dr. Peter Hotez, a vaccine scientist at Baylor College of Medicine in Houston. But the challenge is daunting, Hotez said. "The lesson we've learned is coronavirus infections are serious and one of the newest and biggest global health threats. 1.A.in details B.in general C.in particular D.in spite of 2.A.since B.in C.for D.before 3.A.do away B.get away C.go away D.throw away 4.A.which B.who C.when D.whose 5.A.on B.out C.over D.up 6.A.waste B.spend C.take D.make