<span>The question says,'how long can it take before HIV symptoms are detected. The correct option is B, that is a couple of weeks. The most early symptoms of HIV infection usually show up between two to four weeks after the infection. This is due to the fact that it takes time for the virus to destroy enough body cells to the extent of generating the symptoms that accompany the infection. In some individuals, the symptoms may take up to three months before they occur, this is because HIV virus affect people differently. After the initial symptoms, the person may be living well for the next ten year before serious sysmptoms start to show up again.</span>
Salmonella can be spread by food handlers who do not wash their hands and/or the surfaces and tools they use between food preparation steps, and when people eat raw or undercooked foods (: