Omicron variant: why do you have phlegm in your throat and what is the severity according to the color?

Cobertura de los medios

• Nombre	Omicron variant: why do you have phlegm in your throat and what is the severity according to the color?
  Nombre/canal del medio de comunicación	CE Noticias Financieras English
  Fecha	28/02/23
  Personas	Martin Javier Alfredo Yagui Moscoso