I wanted to share something that's helping incredibly with dealing with Pertussis. It cut my cough down to almost nothing. I can still feel I have it, but it's tolerable.
Veggie juice one large onion and about 4-5 cloves of garlic. Sip throughout the day. Lasts 2 days.
I also take 2 cats claw capsules 3x's a day and take 500ppm Colloidal Silver , but the onion/garlic mix almost stopped the cough immediately.