Photo: donald_gruener / E+ / Getty Images
China says the latest pneumonia type illness which is wreaking havoc in their country, is just the flu.
US hospitals meanwhile, are reporting an increase in these mysterious respiratory illnesses - particularly in Washington DC.
The World Health Organization says new flu strains or other viruses capable of triggering pandemics typically start with undiagnosed clusters of weird respiratory illnesses.
Is it happening again? Are you worried?
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