11.1 Treatment through convalescent plasma
Immunoglobulins or convalescent plasma had been used as a last weapon to treat viral infections in past. Studies have revealed that the use of convalescent plasma improves the health of patients as well as lowers the rate of mortality than those who are not treated with immunoglobulins.102-104 The use of convalescent plasma was administered in 2014 by WHO for the treatment of Ebola-virus disease.105 In 2015, immunoglobulins were also used for the treatment of MERS-CoV.106 By using immunoglobulins, immune response is developed in patients by 10 to 14 days.102 For the treatment of SARS-CoV-2 pneumonia, convalescent plasma was taken from recovered patients of COVID-19 and transfused in infected patients of SARS-CoV-2.92