Relief as hospital drama in Russian Far East ends with pair on the mend as global death toll rises.
The pair returned from Nigeria, one of the countries stricken with the deadly virus.
Anti-viral drug used to beat avian and swine flu.
Specialists from world famous Vector Institute in Novosibirsk region are conducting preclinical tests.
Vector Research Centre to test several vaccine variants to counter deadly virus.
Strains of the deadly disease remain at the high security Vector Research Centre.
Special testing kits sent to Sochi amid 'fears from Japan' and other countries over risk from deliberate deadly disease strike.
Smallpox expert Rinat Maksyutov appointed acting head of world famous institute at age of 34.