The worksheet is based on the adapted article from the Economist discussing the potential use of mobile phone applications in tracking the spread of Covid-19. The tasks are aimed at improving reading comprehension. Students read the article and fill in the gaps with the missing sentences. Worksheet includes vocabulary and collocations task as well as comprehension questions. Finally, students consider and discuss the potential of the described application in the context of their country. The tasks can be used for independent studies or distance-learning classes.