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qeePPXJvzrU Autore: Lester One moment, please <a href=" http://www.climatedots.org/generic-ventolin-inhaler-online-prescription-uk.pdf#miss ">ventolin 100 mcg inhaler technique</a> The researchers also discovered that there are other versions of H7 flu viruses that are circulating in the birds but have not infected humans. These flu viruses "may [potentially] pose threats beyond the current outbreak." Although these strains have only circulated amongst the animals, the researchers noted that one particular strain, H7N7, has the ability to infect ferrets. Ferrets are often used to test a virus's ability to reach humans. |
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