About the Authors

Elizabeth Miller

liz.miller@phe.gov.uk

Affiliation Immunisation Hepatitis and Blood Safety Department, Public Health England, London, United Kingdom

T. Jacob John

Affiliations Child Health Foundation, New Delhi, India, Department of Clinical Virology, Christian Medical College, Vellore, India

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceptualization: EM TJJ. Methodology: EM TJJ. Writing – original draft: EM TJJ. Writing – review & editing: EM TJJ.