All fliers arriving in India should preferably be fully vaccinated as per the approved primary schedule of vaccination against Covid-19 in their country, the health ministry said in fresh guidelines amid renewed fears over the virus. An alarming surge in Covid-19 cases in China has triggered fresh concerns over the virus. Any passenger with symptoms of Covid-19 during travel must be isolated as per standard protocol, according to the new rules. The said passenger should wear a mask, be isolated and segregated from other passengers in flight, and be shifted to an isolation facility subsequently for follow-up treatment, it added. Independent Virologist, Dr. Li-Meng Talks exclusively to Business Today TV on China Covid Surge.