Is it a the flu epidemic or flu pandemic
The United Kingdom is currently the best prepared for the possible flu pandemic.
People with medical conditions such as lung or heart disease
The elderly
Slow-motion graphics showed how droplets pass through the air.
Vaccines take a long time to make.
Economically, the benefits of the flu vaccine are questionable.
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A strain of flu infects many people all over the world
Stores like Walgreens and CVS