Countries, where coronavirus infections are declining, could still face an "immediate second peak" if they let up too soon on measures to halt the outbreak, the World Health Organization said.
According to WHO emergencies head Mike Ryan, ''when we speak about a second wave classically what we often mean is there will be a first wave of the disease by itself, and then it recurs months later. But we need to be cognizant of the fact that the disease can jump up at any time.''
Ryan said epidemics often come in waves, which means that outbreaks could come back later this year in places where the first wave has subsided. There was also a chance that infection rates could rise again more quickly if measures to halt the first wave were lifted too soon, WION reported.
The WHO emergencies head emphasizes that the US and European countries should continue to implement tracking and testing measures.
The number of Covid-19 cases worldwide was nearing the 5.7 million mark on Wednesday, while the deaths have increased to more than 352,000, according to the Johns Hopkins University.
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