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nucleus |
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Particles shrunken by evaporation are referred to as droplet nuclei (10-12). SARS-associated coronavirus is spread by multiple mechanisms, including direct contact and large-droplet aerosolization, and may be spread by droplet nuclei as well. TB is spread from person to person in microscopic droplets -- droplet nuclei -- expelled from the lungs when a TB sufferer coughs, sneezes, speaks, sings, or laughs. |
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