The 72-year-old took to micro-blogging website Twitter to share an update.

"The start of another mission - the awareness for Hepatitis B... meeting authorities to take this forward - like Polio & TB," shared the 72-year-old, who flew to the capital earlier Monday.

Big B had previously tweeted about Hepatitis B virus (HBV).The "Don" star has been associated with UNICEF as a Global Ambassador for polio eradication since 2005. His active campaigning for the cause, coupled with other factors, led to India's polio-free status.

Now he is putting his weight behind the Hepatitis B campaign."Wish to start a campaign on awareness of Hepatitis B... Met some committed doctors and shall strategise... Detect and cured asap!," Big B had tweeted in December 2014.


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