Pfizer COVID vaccine trial for children aged under 12 shows 'robust immune response'

[unable to retrieve full-text content]A Pfizer-BioNTech COVID-19 vaccine trial for children aged between five and 11 has produced "positive results" and has shown a "robust immune response", the two f

Pfizer COVID vaccine trial for children aged under 12 shows 'robust immune response'
[unable to retrieve full-text content]A Pfizer-BioNTech COVID-19 vaccine trial for children aged between five and 11 has produced "positive results" and has shown a "robust immune response", the two firms have said.