There is a strong chance that the new coronavirus could return in seasonal cycles, a senior US scientist said Wednesday, underscoring the urgent need to find a vaccine and effective treatments.  As quoted by AFP.com (26/3 ) Anthony Fauci, who leads research into infectious diseases at the National Institutes of Health (NI), told a briefing the virus was beginning to take root in the southern hemisphere, where winter is on its way. he said What his side is starting to see now  in southern Africa and in the southern hemisphere countries, is that his side having cases that are appearing as they go into their winter season. And if, in fact, they have a substantial outbreak, it will be inevitable that we need to be prepared that we'll get a cycle around the second time//AFP