US military may have smeared Sinovac vaccine, expert suggests

Infectious disease expert and former vaccine panel member suggests the US military may have conducted a propaganda campaign against the Chinese Sinovac vaccine. The campaign included promoting Pfizer and Moderna vaccines while criticizing Sinovac's efficacy. Despite Sinovac's 50% efficacy, it was recommended by the WHO. Clear communication and investigation are urged to combat misinformation. The expert emphasizes the impact on global vaccination efforts.