South African health authorities will soon know the effectiveness of a second dose of the Johnson & Johnson Covid-19 vaccine against the Omicron variant.
This, according to professor Glenda Gray, from the South African Medical Research Council.
Gray says healthcare workers who received one dose of the J&J injection, and who picked up breakthrough infections, developed only mild forms of the disease.
Gray says about 218,000 healthcare workers have already gotten a second dose of the J&J injection.
Read the full report here.
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— @Discovery_SA (@Discovery_SA) December 15, 2021