Investment in the expansion of the health sector in private domain has been relatively low and the recent stimulus announced by the government provides the country an opportunity to change this situation, Niti Aayog Member (Health) V K Paul said on Tuesday.Finance Minister Nirmala Sitharaman on Monday announced Rs 1.5 lakh crore of additional credit for small and medium businesses, more funds for the healthcare sector, loans to tourism agencies and guides, and waiver of visa fee for foreign tourists as part of a package to support the pandemic-hit economy. The Govt will also provide Rs 23,220 crore of additional funding for setting up children and paediatric care/beds at hospitals to prepare them for any emergency arising out of a possible third wave of Covid.