e strategy of all is toenlist ty. Infectious organisms love mosquitoes because to’s sting delivers tly to a bloodstream raigo im’s defense mec is, and a ed but often rapacious maladies—begin o bite. It is afortunate fluke for us t , isn’t among t least not yet. Any o sucks up on its travels is dissolved by to’s oabolism.  tates its rouble.

    It is a mistake, o consider tter too carefully from tion of logicbecause microorganisms clearly are not calculating entities. t care oyou any more t distress you cause . time your continuing o a pat kills you too e you before t t sometimes ory,Jared Diamond notes, is full of diseases t “once caused terrifying epidemics and teriously as tes t but mercifully transientEnglising sickness, ens of t, before burning itself out. too muc a good tiousorganism.

    A great deal of sickness arises not because of o you but rying to do to ts quest to rid tem sometimes destroys cells or damages critical tissues, so often  t your oting sick is a sensible response to infection. Sick people retire to t to ty. Resting also frees more of toattend to tion.

    Because t tential to  you, your body s of different varieties of defensive en million types in all, eaco identify and destroy a particular sort of invader. It to maintain ten million separate standing armies, so eacy of s on active duty. ious agent—igen—invades,relevant scouts identify ttacker and put out a call for reinforcements of t type.

    uring to feel c ofrecovery begins o action.