这个有意思

Unacceptable = a globally researched vaccine for a specific virus
Acceptable = 
 • Hydroxychloroquine
 • Silver water
 • Sunlight
 • $350 USB flash drives that act as a "5G Bioshield"
 • Boiled betel leaves
 • Methylene chloride
 • Chlorine dioxide tablets
 • Horse dewormers