Live attenuated vaccines are antigenic substances composed of a viable (living) pathogen, such as a virus or bacterium. The pathogen is altered so that it is less virulent or avirulent (attenuated).

Emerald Pool Nature Trail is ranked #7 out of 9 things to do in Dominica. See pictures and our review of Emerald Pool Nature Trail.

Guests: Sonali Kolhatkar is an award winning journalist, broadcaster, writer, and author. She is the founder, host, and executive producer of Rising Up With Sonali that airs at KPFK, KPFA and the ...