1 Department of Virology, Postgraduate Institute of Medical Education and Research (PGIMER), 160012 Chandigarh, India; Viral Regional Diagnostic Laboratory (VRDL), Government Medical College, 147001 Patiala, India. Electronic address: vik5atif@gmail.com.
2 Department of Virology, Postgraduate Institute of Medical Education and Research (PGIMER), 160012 Chandigarh, India.
3 Department of Virology, Postgraduate Institute of Medical Education and Research (PGIMER), 160012 Chandigarh, India. Electronic address: rathopgi@yahoo.com.