What I read here: Yiu need to be between 100-200 mass to eat the virus and then you'll be able to eat more viruses. However you won't be able to split. You choose to either split and explode on virus or eat virus and be huge without splitting
Do the times involve Daylight Savings time? CEST is Cestral Europe SUMMER Time but the time is UTC +3 not +2 in Summer Time