Make sure your husbands immune sustem is in tip top shape! Megadosing on vitamin C being one of the best and most noted ways to boost the immune system! Any viris needs a certain environment to multiply eat alkiline ash foods and stay away from sugar! And use H2O2 (Hydrogen-Peroxid) to keep a high oxygen level to keep viris at bay ! Oregano oil or grapefruit seed extract also kill viris!