How diseases spread and And how the solution for human

Handout 6.6

HOW DISEASES SPREAD

1. When people move from one city or country to another, the spread of diseases may result. people often bring in germs which may not have been present there before. There, new germs can spread quickly and causes previously unknown diseases. if a become ill more easily and die more often. in turn, newcomers may catch diseases which were not present where they came from. if they go back, they may carry the diseases with them and start an epidemic there, too

Main idea : the disease can spread easily

-Cause (s)                                               Effect (s)

-Cause (s) when people move from one city or country to another,

-Effect (s) the spread of diseases may result.