4 ms·
do you ever heard of plague?
by leemailll 7y ago
do you ever heard of plague?
- thu2111 7y agoWhat's plague got to do with it? Plague vaccines exist that give up to a year of immunity: https://contagions.wordpress.com/2012/02/25/generating-immunity-to-the-plague/ https://contagions.wordpress.com/2012/02/25/generating-immun...