Until evidence had built up from lots of people being vaccinated, scientists could not say for sure if the jab would stop transmission - and there was concern those vaccinated might stop taking precautions, potentially leading to a rise in infections. BBC News
See also:
- Covid: Secret filming exposes contamination risk at test results lab BBC News
- AstraZeneca vaccine - was it really worth it? BBC News
- Long Covid: 'It's like someone has piled sandbags on top of me' BBC News
- Households of adults with weak immune systems to be vaccinated BBC News
- Covid-19: CDC head warns of 'impending doom' in US BBC News
- UK's 'wall of vaccination' against Covid is 'leaky', Professor Chris Whitty says The Daily Mail
- Experimental drug cuts risk of hospitalized COVID-19 patients needing a ventilator by 54%, The Daily Mail
- UK to make up to 60m doses of Novavax Covid vaccine under GSK deal The Guardian
- Covid PPE 'fitters' wait up to a month on full pay before first NHS hospital visit iNews
- Hospitals and labs told to prioritise Covid testing for mental health patients The Independent
- Half of people in England now have antibodies against Covid, study says The Independent
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