Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA
Pan American Health Organization PAHO: 30 years free of wild polio in the Americas / Photo exhibit at PAHO HQ, Washington, DC - USA