From the news itself, still, there are chances for a person of getting reinfected by COVID-19 Virus as long as every citizen has no discipline following the protocol and as long as there's no vaccine yet, remember, second wave is more dangerous.
"Of the participants in the study who had already fallen ill (around 6,600), only 44 (less than 1%) were re-infected with the virus. In other words, immune response from a first infection reduced the risk of contracting the virus again by 83%. Moreover, those who were re-infected did not usually suffer from serious illness. The study was conducted in England. (Nature [1])