At least 6 are believed to have the virulent intestinal form of the disease from which one boy has already died.
A man became infected from a cow, and only called for medical help a week after contracting the deadly disease - by then it was too late.
The fatality occurred after the unnamed man handled the carcass of an infected cow in the Tselinniy district of Altai territory.
The unique scientific vault will safely store ancient remains at temperatures as low as minus 24C.
In each case the deadly decades-old 'zombie' disease originated in contaminated soil and was awakened by hot Arctic summer weather.
Russian army biological protection troops called in amid warnings 'utmost care' needed to stop deadly infection spreading.
Boy killed 'after lethal infection 'awoke' in human graveyard due to unprecedented heat wave'.
This summer's melting of permafrost is more than THREE TIMES greater than usual, unlocking long-frozen deadly diseases.
Fires have wreaked havoc this summer with Yakutia and the Yamalo-Nenets autonomous the latest to be hard hit.
Venison exports will 'increase' despite first anthrax outbreak in 70 years, but scientists remain adamant: Herd numbers must fall further.