<span style="color: #222222;">Patna Zoo has been closed for an indefinite period following the confirmation of H5NI virus killing six peacocks in the zoo. </span><br />'' <br />'' <span style="color: #222222;">According to Patna Zoo Deputy Director R K Sinha, the zoo had been closed following deaths of six peacocks between December 16 and 24. </span><br />'' <br />'' <span style="color: #222222;">He said the bodies of peacocks were sent to National Institute of High-Security Animal Diseases in Bhopal where it was confirmed that birds died after being infected with H5N1 virus.</span><br />'' <br />'' <span style="color: #222222;">Bihar Deputy Chief Minister Sushil Kumar Modi said, the process of immunisation and disinfection is on and the zoo would only be re-opened when it is established that it has been freed from the virus following laboratory test. </span><br />''