New strain of swine flu virus spreading to humans in China, say scientists
H1N1 swine flu is highly transmissible with an older strain taking off around the world in 2009, killing about 285,000 people and morphing into seasonal flu.
from Sydney Morning Herald - World https://ift.tt/3dV3GNH
from Sydney Morning Herald - World https://ift.tt/3dV3GNH
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