<p style="margin: 0px; text-align: justify;">World Health Organization has said that Nasal Corona vaccines can help to bring the Covid-19 pandemic under control.</p>''<p style="margin: 0px; text-align: justify;"><br />''</p>''<p style="margin: 0px; text-align: justify;">India approved a nasally-administered Covid-19 vaccine for emergency use on Tuesday, developed by Bharat Biotech.  </p>''<p style="margin: 0px; text-align: justify;"><br />''</p>''<p style="margin: 0px; text-align: justify;">The WHO has welcomed the new front in the fight against the virus, but also said it wanted to see the data behind the vaccines, to assess whether to approve them.</p>''<p style="margin: 0px; text-align: justify;"><br />''</p>''<p style="margin: 0px; text-align: justify;">WHO emergencies director Mike Ryan said nasal vaccines generated immune response in the respiratory mucosa in the lungs.</p>''<p style="margin: 0px; text-align: justify;"><br />''</p>''<p style="margin: 0px; text-align: justify;">WHO chief Tedros Adhanom Ghebreyesus said that the continuing global decline in reported Covid cases and deaths was encouraging, but said it was "dangerous" to assume those trends would persist.</p>''<p style="margin: 0px; text-align: justify;"><br />''</p>