Beñat Intxausti, 30, was sidelined for most of 2016 after contracting mononucleosis.
Three of Sky's new riders — Kwiatkowski, Landa, and Intxausti — are suffering minor illnesses in the early stages of the spring season.
The British team could be a threat in every stage race it starts this season, thanks to some new signees over the winter.
The 161km route is the exact same parcours that will be featured in stage 17 of the Tour de France
Intxausti takes breakaway win and Contador holds onto pink jersey despite aggressive riding by Porte and Aru in Giro's eighth stage
The squad will look for stage wins and a top-10 GC finish at the Italian grand tour, which rolls out May 9
With the WorldTour series decided, the Tour of Beijing's swan song offers racing, plain and simple for those still hungry for a win
Majka fights off the two Spaniards he faced the day before to win by 10 seconds in Bukowina Tatrzanska
The Movistar rider took the overall lead in Monday's stage 4 and holds on to win in the Chinese capital
The Irishman finished second in the fourth stage at the Tour of Beijing and will likely finish the race on the podium