Professor David Warhurst of the UK's Public Health Laboratory Service's malaria reference laboratory said the findings were worrying.
BBC: Fears over malaria vaccine
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Professor David Warhurst, of the Public Health Laboratory Service malaria reference laboratory, said several groups were working on similar approaches.
BBC: GM mosquito bid to tackle malaria
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Friends of the Earth campaigner Dr Michael Warhurst said councils should assist people so they are not fined through a lack of knowledge.
BBC: Council rubbish bin collection fines to be scrapped