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Newcastle Disease #Virus found in 0.9% of #mallards in Southern #Sweden http://t.co/9jVlJfdr0L #surveillance
Newcastle Disease #Virus found in 0.9% of #mallards in Southern #Sweden http://t.co/9jVlJfdr0L #surveillance
Newcastle Disease #Virus found in 0.9% of #mallards in Southern #Sweden http://t.co/9jVlJfdr0L #surveillance