Name:

Berezovskaya

First name:

Faina

E-mail:

fsberezo@hotmail.com

Institution:

Howard University, Mathematical Department

Address:

2400 Sixth Street, NW,Washington, DC 20059, USA

Fax:

1(202)806 6831

Phone:

1(202)806 7125

Title:

Basic epidemic model: demographic and disease thresholds