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A person in a navy top standing with their arms crossed in front of a hallway. Close up of ashtray full of cigarettes with a person in background working on a laptop computer. The elements cadmium, arsenic, and chromium are overlaid on top. Two black and white profile pictures of a female scientist and a male scientist on a green gradient background Abstract digital illustration of bacteriophages against a purple background. Futuristic image of an immune system protecting from infectious diseases with a glowing low polygonal shield, coronavirus and bacteria cells on dark blue background. A cartoon-like graphic showing multicolored microbes and viruses on a dark blue background. A searchlight tracks over the microbes, revealing a section of colorful DNA inside a bacterium. Hand holding a cigarette near carpet. An artistic rendering of lipid nanoparticles showing multiple layers that take on different molecular arrangements, giving the particle varying properties. Eva Nogales, a person with medium-length white hair wearing glasses and a dark jacket over a white collared top, photographed outdoors with trees in the background. A digital illustration showing red virus particles each with a geometrically shaped capsule, stalk, and leg-like appendages attached to the surface of a green bacterium. A digital illustration showing red virus particles each with a geometrically shaped capsule, stalk, and leg-like appendages attached to the surface of a green bacterium. A dark blue, green, and white digital illustration of a set of human lungs on a screen with small coronavirus particles and graphs and medical symbols