Within the spring of 2020, the primary variations of covid-19 publicity notification programs had been launched to the general public. These programs promised to gradual the illness’s unfold by offering automated warnings to individuals who got here into contact with the virus. Now, over a 12 months later, residents in over 50 nations—together with half of US states—can choose into these programs. However the large query stays: how effectively did this know-how work? Some research counsel solutions, however regardless of such broad rollout, it’s troublesome to judge whether or not publicity notifications had been really capable of stall covid-19 unfold. … Read More