In developed countries, due to nearly universal advanced water treatment and sanitation practices present there, cholera is rare.
In developing countries, often there is not good sanitation.For example, cholera is very uncommon in developed countries because they have good sanitation and because they add chemicals to their water to kill germs.This has made cholera very uncommon in these countries.
In developing countries, often there is not good sanitation.For example, cholera is very uncommon in developed countries because they have good sanitation and because they add chemicals to their water to kill germs.This has made cholera very uncommon in these countries.
Machen Sie den Satz einfacher: In developed countries, due to nearly universal advanced water treatment and sanitation practices present there, cholera is rare. Ausgabe: