       <p>Oxitec says that trials involving its mosquitoes in Brazil, Panama and the Cayman Islands “resulted in a greater than 90 percent suppression” of the
                    <i>Aedes aegypti </i> population. This month, the company announced that the city of Piracicaba, Brazil, would expand its effort to eradicate disease- ­carrying mosquitoes.</p>
            </p>

            <p class="paragraph">
                <p>But it’s unlikely that genetically engineered mosquitoes will be buzzing aroun