LIZA EUSTACE  THE one golden thread that the entire global tourism industry is clinging to is the practical and widespread roll-out of the COVID-19 vaccine, which will hopefully go a long way in restoring the fortunes of worldwide travel and tourism. The resuscitation of the travel and tourism sector will reignite growth and sub-Saharan Africa's economic prospects. As Africa's overall development continues, the long-term hope is that infrastructure spend and construction related to transport, airports, ICT infrastructure and health facilities will be key spurs for economic growth. Combining competitive pricing with unique historical, cultural, and natural experiences, will serve as…