图6 courtesy of Willie Wilson

图7 courtesy of Dr. Venugopal Nair and Dr. Pippa Hawes, Bioimaging group, Institute for Animal Health.

图8 from the PHIL, courtesy of the CDC/ C. Goldsmith, P. Feorino, E. L.Palmer, W. R. McManu 图9 Cynthia Goldsmith, from the PHIL, courtesy of the CDC/ P. E.Rollin

图10 Cynthia Goldsmith, from the PHIL, courtesy of the CDC

图11 Frederick Murphy, from the PHIL, courtesy of the CDC

图12 courtesy of Dr. Didier Raoult, Research Unit in Infectious and Tropical Emergent Diseases （URMITE）