Completar Frases Human healthVersión en línea Fill in the blanks por Kasthuri Subramaniam 1 discomfort sanitation VECTORS diseases stress abnormal disease pathogens CONTACT host infected water A is an condition of body or mind that causes , difficulty to function or to an individual . Infectious are spread by . Transmitted from an person ( ) to another person through and mediums such as WATER , AIR , and . Infection through usually happens in areas with inadequate water supply and poor .
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