(File photo) MANILA - The government opted to conduct risk-based testing for Covid-19 infections rather than mass testing that is deemed unsustainable. Thus, said Presidential Adviser for Covid-19 Response and testing czar Secretary Vince Dizon on Monday, adding that given the country's current resources, massive testing is impractical. "Assuming na ngayon nagti-test tayo mga 80 to 85,000 a day, assuming itaas natin to 100,000 a day, times 2,000 na lang iyong ating current cap at average ng test ng PCR (polymerase chain reaction). Two hundred million po iyon kada araw. Sa loob lamang po ng sampung araw, two billion na po iyon (Assuming that we are testing 80 to 85,000 a day and we will increase that to 100,000 a day, times 2,000 of the current cap and average test for PCR. That would be 200 million per day. In a span of 10 days, that will be two billion already)," Dizon explained at the "Laging Handa" briefing. Dizon said the experts themselves advised the condu