Question

your best friend got affected with covid-19 a few days ago you got the news was very worried tell his recovery insert a page of diary narrating your feeling that period​

Answer 1

Answer:

Research is still ongoing into how strong that protection is and how long it lasts. WHO is also looking into whether the strength and length of immune response depends on the type of infection a person has: without symptoms (‘asymptomatic’), mild or severe. Even people without symptoms seem to develop an immune response.