In reality, in response to a query on Jan. 22 in regards to the efficacy of masks within the face of recent COVID-19 variants, the…
In reality, in response to a query on Jan. 22 about the efficacy of masks within the face of new COVID-19 variants, the WHO’s technical…
In fact, in response to a question on Jan. 22 about the efficacy of masks within the face of recent COVID-19 variants, the WHO’s technical…