Is English a 2nd language to you? Somehow you crammed what I would consider to be 4 or 5 sentences worth of thoughts into one.
First, research into a vaccine has already been done. A California lab has already created one.
https://finance.yahoo.com/news/california-lab-says-discovered-coronavirus-123356925.html
Second, so what if the test costs $2300 - time, materials, consumables...they cost money.
Third, downplaying the emergency is also known to many as a good tactic to prevent panic
Finally, you're proof that it's weaponized against Trump. They've turned you and a million other sock puppets into a weapon - a brainless echo chamber, repeating exactly what you're told by the brainless talking heads on the news channels you worship. You don't care that it's been proven that they're lying to you, that their predictions never pan out - because they're never held to account, because you never hold them to account.
Exercise those brain cells - yes, both of them.