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Covid-19: Vaccination for children to roll out by September
Lancet medical journal has said that living with children aged between 11 and 17 increases the chances of getting infected by 18-30%.
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Pfizer, AstraZeneca vaccines protect against Delta variant: Lancet study
Pfizer vaccine offered 92% protection against the Alpha variant and 79% against the Delta strain two weeks after the second dose.
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Up in the air | Study suggests airborne transmission of Covid-19
The findings put the spotlight back on the strategy adopted to tackle the virus. Do governments need to go back to the drawing board?
