HANOI : Vietnam's health ministry has registered to buy a Russian COVID-19 vaccine, state television reported on Friday, as the Southeast Asian country fights a new outbreak of the coronavirus following months of no local cases.Russia said on Wednesday the first batch of the world's first COVID-19 vaccine would be rolled out within two weeks, rejecting as "groundless" the safety concerns aired by some experts over Moscow's rapid approval of the drug."In the meantime, Vietnam will still continue developing the country's own COVID-19 vaccine," state broadcaster Vietnam Television (VTV) said, citing Vietnam's Ministry of Health.The ministry did not say how many doses of the Russian vaccine it had ordered, or when it expected to receive them..