Risks of potential release of genetically modified mosquitoes evaluated On Saba, a Dutch Caribbean island, diseases such as dengue, chikungunya and zika can be reduced by the use of genetically modified mosquitoes.
More gonorrhoea, syphilis and chlamydia at Dutch STI clinics An increasing number of clients tested at a Dutch STI clinic for a sexually transmitted infection (STI) is diagnosed with gonorrhoea, syphilis and chlamydia.