Professor Glenda Gray Archives - Smile 90.4FM

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Covid-19, Covid-19 pandemic, Covid-19 Vaccines, Covid-19 vaccination, Covid-19 vaccination programme, South Africa, Department of Health, Fourth wave, Booster shots, Omicron variant, South African Medical Research Council, Professor Glenda Gray, Johnson & Johnson Covid-19 vaccine, Second dose

Effectiveness of a second dose of J&J Covid-19 vaccine, against Omicron...

Smile Staff Reporter - 15 December 2021

Sisonke Covid-19 vaccine study, Johnson & Johnson Covid-19 vaccine

The Johnson & Johnson Covid-19 vaccine protected between 91 and 96%...

Smile Staff Reporter - 10 August 2021

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