SG-1's debrief after Jonas recovered from his brain surgery didn't go exactly as planned.

Jack was the last to wander in the conference room, but he reasoned that he wasn't late, he was fashionably late. "How is everyone this fine morning?" Jack asked as he plopped into a chair by Teal'c. The other members of SG-1, General Hammond and Janet Frasier all stared at him for a moment in disbelief. "What?" Jack asked.

"Are you feeling alright, Sir?" Sam questioned.

"Never better. Actually, I haven't felt this good for a long time. My knee doesn't even hurt, and it always hurts. I feel almost… younger. Do I look any younger to you?"

"Indeed not, O'Neill. You have progressed in aging as have all of us."

The debriefing started with Samantha's presentation on temporal mechanics and the uncertainty principal. Jonas was more confused than anyone even though he had lived what she was explaining and still couldn't understand Carter's techno-babble. To occupy his time, and to look like he was still paying attention, he concerned himself with counting Colonel O'Neill's grey hairs. He was still looking in the direction of where Sam was standing and she was none the wiser.

While Jonas was counting Jack's grey hairs – he was up to 109 – he witnessed a grey hair turn back to brown. Jonas shrugged it off as his eyes playing tricks on him. That is, until it happened again.

"Jonas, have you heard anything I've said?"

"Sorry Sam, but look." Jack was now rapidly looking younger and younger, and now Dr. Frasier, General Hammond and Daniel were also noticeably younger looking. After five minutes everyone in the room with the exception of Sam, Jonas and Teal'c, were infants.

Needless to say, the three remaining adults were shocked. Teal'c didn't look it, but he was just as confused as Sam and Jonas whose jaws were slightly dropped.

"Uh, Sam, could you please explain what just happened?"

Sam searched for any reason within her mind, "Well, it could be a sort of disease… oh my gosh…" She ran to the control room, stepping over babies and trying to keep them from pushing all the pretty buttons on the computers. The automated voice on the com system informed the base that a lockdown had been initiated.

Sam returned to the conference room. Baby Hammond and baby Frasier were content talking to each other in gibberish while sitting in one corner of the room. Baby Daniel was sitting on the table in the center of the room and held Sam's report upside-down trying to make heads or tails out of it. When he failed, he turned it sideways. Jonas and Teal'c were still trying to get baby Jack settled down, but nothing interested him enough to hold his attention. Sam picked up a small model airplane and handed it to him. The gift satisfied baby Jack enough and he settled down.

"How did you…?

"He likes plains, Jonas."

"Judging by your face, Major Carter, this is not an isolated incident." Teal'c observed.

"If all the babies in the control room mean anything, I suspect this has happened all over the base."

"Well, why did this happen and why didn't it happen to us?"

"Jonas, if I knew the answer to that, I wouldn't be so confused right now because I don't know. I think what we need to do is first figure out what sets us apart from everyone else."

"I have a superior immune system resulting from my usage of tritonin."

"That's true, Teal'c, but that's because you used to carry a larval symbiote. Neither Sam nor I have carried one."

"That's not true. I carried Jolinar and she left a protein marker in my blood."

"If the protein markers are the case, then what about Dr. Frasier and Jack, didn't you inject them with some of the protein?"

"By now it would have been filtered out of their blood."

"So this is a disease that can't harm a Jaffa or Goa'uld physiology, but makes everyone else younger? If that's true, were do I fit in?"

"Think about it, Jonas, who was the last Goa'uld the captured us and what did she do?"

"Nirti. She did say I was different and I spent a lot more time in that machine than anyone of us. Could I be carrying the disease?"

"Sounds like the perfect plan. Nirti develops most likely a virus for you to carry and it infiltrates our base."

"But she's dead."

"What a way to go out with a bang. I'm pretty sure Teal'c and I can't even carry the virus – I'll do a few tests just to make sure – but it should be safe for us to go out and get some supplies that we need."

"What do you mean? We have enough food here to last us months, and you'll have thought of something by then. Whew! What is that terrible smell? Teal'c, do you smell that?"

"Indeed."

"We need diapers and lots of them. Daniel, stop looking so smug."

I hope you like it so far! Please r&r! I'll try to have the second chapter up soon.