1.Any febrile illness with oral temperature > 100°F within 3 days prior to randomization. <br/ >2.Subject with past history of COVID-19 infection. <br/ >3.Pregnant and / or lactating female subjects. <br/ >4.Presence of any illness requiring hospital referral. <br/ >5.Any confirmed or suspected immune-deficient condition based on medical history and physical examination and a family history of congenital or hereditary immunodeficiency or Individuals on immunosuppressantâ??s as Azathioprine, Cyclosporine, Mycophenolate etc. <br/ >6.History of allergic reactions or anaphylaxis to Mw or its component.

1.Any febrile illness with oral temperature > 100°F within 3 days prior to randomization. <br/ >2.Subject with past history of COVID-19 infection. <br/ >3.Pregnant and / or lactating female subjects. <br/ >4.Presence of any illness requiring hospital referral. <br/ >5.Any confirmed or suspected immune-deficient condition based on medical history and physical examination and a family history of congenital or hereditary immunodeficiency or Individuals on immunosuppressantâ??s as Azathioprine, Cyclosporine, Mycophenolate etc. <br/ >6.History of allergic reactions or anaphylaxis to Mw or its component.

N/A

N/A

1.Any febrile illness with oral temperature > 100°F within 3 days prior to randomization. <br/ >2.Subject with past history of COVID-19 infection. <br/ >3.Pregnant and / or lactating female subjects. <br/ >4.Presence of any illness requiring hospital referral. <br/ >5.Any confirmed or suspected immune-deficient condition based on medical history and physical examination and a family history of congenital or hereditary immunodeficiency or Individuals on immunosuppressantâ??s as Azathioprine, Cyclosporine, Mycophenolate etc. <br/ >6.History of allergic reactions or anaphylaxis to Mw or its component.

1.Any febrile illness with oral temperature > 100°F within 3 days prior to randomization. <br/ >2.Subject with past history of COVID-19 infection. <br/ >3.Pregnant and / or lactating female subjects. <br/ >4.Presence of any illness requiring hospital referral. <br/ >5.Any confirmed or suspected immune-deficient condition based on medical history and physical examination and a family history of congenital or hereditary immunodeficiency or Individuals on immunosuppressantâ??s as Azathioprine, Cyclosporine, Mycophenolate etc. <br/ >6.History of allergic reactions or anaphylaxis to Mw or its component.