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Representative histopathology images from the lungs of placebo and Sclamp + MF59‐vaccinated hamsters in the prime/boost study (10× objective; data from a single experiment are shown). (a, b) Representative images used for bronchitis scoring on day 4 and day 8 post‐challenge. (c, d) Representative images used for alveolitis scoring on day 4 and day 8 post‐challenge.
