Pfizer e BioNTech planejam dose de reforço contra variante delta

Metadata

• Date: 08/07/2021 22:51 (UTC)
• Credit: EFE
• Source: EFE
• Author: efei0192
• Topic: Health » Preventative medicine » Vaccines
  Health » Epidemic and plague
  
• Reference: 182001181073
• Relevance: Normal