In India, more than 350,000 infections were reported within 24 hours on Monday, more than any country has reported in that timespan.
WHO highlighted the risk of direct transmission of emerging infectious diseases to humans who come in contact with bodily fluids of an infected animal.
He said while more than 780 million doses of vaccine have now been administered globally, vaccines are a powerful tool but not the only tool.
According to the WHO's statistics, as of Wednesday, at least 2.6 million people have died of Covid-19 worldwide.
India is also conducting the world's largest vaccination drive to strengthen the fight against COVID-19, he asserted.
China further said that the joint study group tracing the origin of Covid-19 has unanimously agreed that the allegation of a 'lab leak' is extremely unlikely
In a statement on Friday, the WHO said that based on available data the review team found no increased risk of blood clotting conditions in people who received the AstraZeneca-Oxford vaccine.
Germany, France, Italy and Spain joined the growing list of mostly European countries — starting with Denmark last week — that temporarily halted use of the AstraZeneca vaccine.
"WHO is aware that some countries have suspended the use of AstraZeneca vaccines, based on reports of blood clots in some people who received doses of the vaccine from two batches. This measure was taken as a precaution while a full investigation is finalized," Tedros
Apart from Denmark, Norway and Iceland have also temporarily suspended the use of AstraZeneca's Covid-19 vaccine.
I had a constructive call with Mihail Murashko (Mikhail Murashko), Russia's Health Minister, about the Covid19 response globally & in Russia, as well as about the Sputnik V vaccine & the WHO Emergency Use Listing process for vaccines.
The coronavirus has infected more than 109 million people and killed at least 2.4 million of them.
As indirect evidence is compatible with protection against severe Covid-19, the situation remains to be demonstrated in ongoing clinical trials and post-implementation evaluations.
The Wuhan Institute of Virology has collected extensive virus samples, leading to unproven allegations that it may have caused the original outbreak.
One of China's top virus research labs, the institute built an archive of genetic information about bat coronaviruses after the 2003 outbreak of Severe Acute Respiratory Syndrome.
The team's visit to the Hubei Provincial Center for Disease Control comes amid tight Chinese controls on access to information about the virus.