Subjects who meet all of the following criteria will be included in the study: <br/ > <br/ >1) Age: Adult 18 years inclusive and above at the time of consent. <br/ >2) Sex: Adult, healthy males and non-pregnant/non-lactating females. <br/ >3) Subjects are in good general health as determined by the Investigator on the basis of medical history reported by subjects including absence of symptom or signs of Covid-19 infection or any other ILI. <br/ >4) Subjects must be able to understand and provide written informed consent to participate in the study. <br/ >5) Subjects with no relevant findings in medical history or on physical examination which would suggest to the P.I. that the subject is unsuitable for inclusion in the study. <br/ >6) Subjects who are willing to allow the Investigator to register volunteer details with a confidential database (The - Over-Volunteering Protection Service) to prevent concurrent entry into clinical studies/trials. <br/ >7) Subjects who are able and willing to comply with all the trial requirements.

Subjects who meet all of the following criteria will be included in the study: <br/ > <br/ >1) Age: Adult 18 years inclusive and above at the time of consent. <br/ >2) Sex: Adult, healthy males and non-pregnant/non-lactating females. <br/ >3) Subjects are in good general health as determined by the Investigator on the basis of medical history reported by subjects including absence of symptom or signs of Covid-19 infection or any other ILI. <br/ >4) Subjects must be able to understand and provide written informed consent to participate in the study. <br/ >5) Subjects with no relevant findings in medical history or on physical examination which would suggest to the P.I. that the subject is unsuitable for inclusion in the study. <br/ >6) Subjects who are willing to allow the Investigator to register volunteer details with a confidential database (The - Over-Volunteering Protection Service) to prevent concurrent entry into clinical studies/trials. <br/ >7) Subjects who are able and willing to comply with all the trial requirements.

Subjects who meet all of the following criteria will be included in the study: <br/ > <br/ >1) Age: Adult 18 years inclusive and above at the time of consent. <br/ >2) Sex: Adult, healthy males and non-pregnant/non-lactating females. <br/ >3) Subjects are in good general health as determined by the Investigator on the basis of medical history reported by subjects including absence of symptom or signs of Covid-19 infection or any other ILI. <br/ >4) Subjects must be able to understand and provide written informed consent to participate in the study. <br/ >5) Subjects with no relevant findings in medical history or on physical examination which would suggest to the P.I. that the subject is unsuitable for inclusion in the study. <br/ >6) Subjects who are willing to allow the Investigator to register volunteer details with a confidential database (The - Over-Volunteering Protection Service) to prevent concurrent entry into clinical studies/trials. <br/ >7) Subjects who are able and willing to comply with all the trial requirements.

Subjects who meet all of the following criteria will be included in the study: <br/ > <br/ >1) Age: Adult 18 years inclusive and above at the time of consent. <br/ >2) Sex: Adult, healthy males and non-pregnant/non-lactating females. <br/ >3) Subjects are in good general health as determined by the Investigator on the basis of medical history reported by subjects including absence of symptom or signs of Covid-19 infection or any other ILI. <br/ >4) Subjects must be able to understand and provide written informed consent to participate in the study. <br/ >5) Subjects with no relevant findings in medical history or on physical examination which would suggest to the P.I. that the subject is unsuitable for inclusion in the study. <br/ >6) Subjects who are willing to allow the Investigator to register volunteer details with a confidential database (The - Over-Volunteering Protection Service) to prevent concurrent entry into clinical studies/trials. <br/ >7) Subjects who are able and willing to comply with all the trial requirements.