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Marek's has been in my barn for at least 7 years. Once there, forget about getting rid of it, short of bleaching your coop and starting with all new birds. My flock is a combination of naturally immune and vaccinated (chicks I got this year). Natural immunity is preferable over vaccination, but...

On more observation, the symptoms of this chick don't seem to be Marek's. The onset was too rapid (over a period of one day) and became complete paralysis including limp neck and eye paralysis. I started thinking it was more like botulism symptoms. None of the other 28 chicks show any symptoms.

I have had Marek's in my barn for years, due to taking one hen from someone who didn't know that the hen had the disease. Live and learn. My remaining birds have passed on their resistance, but this spring I wanted to add new ones and bought hatchery chicks that were vaccinated. I don't know...

Those of us who have lost any of our flock to Marek's has learned the hard way how important vaccination is. Marek's is a pervasive disease and near impossible to eradicate once it has been introduced to your barn. The virus can survive in the soil and in dust for years. Bleach and careful...

Quote: Vaccinating is NOT "babying," it's exactly what you want to do to help the bird build a strong immune system. The vaccine stimulates the immune system so it is armed and prepared to fight invading pathogens like Marek's. It's the overuse of antibiotics and other cures that can be...

Quote: If I recall right, the vaccine for chickens is often made from the Marek's strain that affects turkeys. It is harmless to chickens but triggers the immune system to build up antibodies that fight the strain of Marek's that affects chickens.