Mahamari

Mahamari uu rakam bemaari ke dunia bhar me failna, jon ki ek duusre ke haali se pakarr le hae. Dunia me dher mahamari failaa hae, jaise ki 14th century me Europe ke Black Death, 1918 ke Spanish flu aur 2009 ke swine flu mahamari.

vibhag:M
vibhag:Tabiyat aur dawai