Seems they've realized that Trump's "reconciliation" efforts with them were a lie the whole time. They are now back to their position under the Obama administration -- Prepare for mutually assured destruction the moment the USA invades.
Beta-Amyloid plaques are *responses* to infections! It's the correspondent swelling killing the brain, so as usual stop the swelling and pathogens. And it wouldn't hurt to smack down the senescent cells that are the cause of the blood-brain barrier leaking.