Vaccine trial takes more subtle route

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A new vaccine targets the blood vessels, as shown by the circular shaped structure one above, of tumours, limiting their supply in oxygen and aiding the immune system react more efficiently. Credit image@ Patho, wikimedia commons

A new vaccine targets the blood vessels, as shown by the circular shaped structure one above, of tumours, limiting their supply in oxygen and aiding the immune system react more efficiently. Credit image@ Patho, wikimedia commons