Water lettuce threatens Vaal River — weevils could be the solution
The Vaal community is scrambling to halt the spread of water lettuce, an invasive alien species threatening the Vaal River.
Source: dailymaverick.co.za
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Physical exercise enhances protection afforded by Covid...
Research by Discovery Health and Vitality, published in the British Journal of Sports Medicine, has shown that regular physical activity may boost the effectiveness of the Covid vaccine, and that regular exercise enhances the protection afforded against serious disease.
Source: dailymaverick.co.za
Sisonke study shows J&J jab offers robust protection against Omicron
Sisonke Programme researchers gave an update on recent findings, saying less than half of the study's first phase participants had been administered booster shots.
Source: ewn.co.za
No clear indication of when SA's lockdown will end as vaccine targets change – again
South Africa's vaccination drive has slowed, and targets are being moved away from overall population coverage to specific age groups.
Source: businessinsider.co.za
SA Medical Association wants booster jabs for health-care workers amid concerns on efficacy of single J&J shot
According to Sama, research indicates that the immunity and efficacy of a single dose vaccination – such as the Johnson & Johnson vaccine – is unknown and that a single J&J vaccination only provides good immunity up to, at most, eight months.
Source: iol.co.za