Variantes do coronavírus podem exigir vacinação todos os anos, diz Merkel

Metadata

• Date: 25/02/2021 19:19 (UTC)
• Credit: EFE
• Source: EFE
• Author: efei0172
• Topic: Health » Preventative medicine » Vaccines
  Health » Epidemic and plague
  
• Reference: 182001176343
• Relevance: Normal