https://www.hackathons.co.il/corona/race-against-corona 2020-03-30 https://www.hackathons.co.il/corona/corona-safe-village-challenge 2020-03-31 https://www.hackathons.co.il/corona/older-people-challenge 2020-03-29 https://www.hackathons.co.il/corona/corona-guard-challenge 2020-03-25 https://www.hackathons.co.il/corona/corona-catcher-challenge%0D- 2020-03-25