Currently, the Center for Disease Control and Prevention (CDC) estimates that about 3.6% of all COVID-19 cases are deadly, with the mortality rate rising to 20% for people aged 80 years old and above. Treatment for the virus through a vaccine is not yet available – instead, medication is given to managing the patient’s symptoms.
Source: https://www.makatimed.net.ph/news-and-exhibits/news/covid19-who-are-the-most-vulnerable