Como funcionam as vacinas contra o novo coronavírus?

Metadata

• Date: 26/02/2021 21:26 (UTC)
• Credit: EFE
• Source: EFE
• Author: efei0099
• Topic: Social issue
  Science and technology » Research
  Health » Preventative medicine » Vaccines
  
• Reference: 182001176398
• Relevance: Normal