Fig. 6

Box plots of seasonal average levels of severe headache, fatigue, dry cough, shortness of breath, and edema are shown. All these five symptoms are well defined in four Indian seasons spanned in a single calendar year (a) winter (December to February), summer (March to May), monsoon or rainy season (June to September), and a post-monsoon period (October and November). Note the apparent prominent changes in the RSV during November and March peaks before the RSV could reach either minimum or maximum values