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Frontiers of Neurology and Neuroscience(1672)

Daily Express - Health(657)

Viruses(517)

TIME: Health(430)

Drugs.com - Daily MedNews(365)

CDC Flu updates(364)

Veterinary Microbiology(315)

Healthy Living - The Huffington Post(248)

Frontiers in Microbiology(244)

The Telegraph : Swine Flu A H1N1(230)

Infezioni in Medicina(224)

Washington Post: To Your Health(195)

Ghana Medical Journal(187)

Iranian Journal of Microbiology(153)

Neuroendocrinology Letters(141)