<li><strong>Mesh is the first line of defense:</strong> A mesh size of 1.5 mm or smaller is recommended where a screen is used to exclude mosquitoes from a tank or other standing water[http://www.who.int/ith/2017-ith-chapter7.pdf?ua=1], </li> | <li><strong>Mesh is the first line of defense:</strong> A mesh size of 1.5 mm or smaller is recommended where a screen is used to exclude mosquitoes from a tank or other standing water[http://www.who.int/ith/2017-ith-chapter7.pdf?ua=1], </li> |