Mazingira ni vitu vyote vinavyotuzunguka venye uhai na visivyo na uhai kama nyumba,mimea,watu,wanyama,hewa nakadhalika.
Mazingira machafu yanaweza kuongeza usambaaji wa magonjwa ya mlipuko kwa sababu zifuatazo÷
1. Mavi, hiki ni chanzo kikuu cha usambaaji wa magonjwa kama kipindupindu,kuhara na...
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