You should be fine, on both counts. The pregnant lady sounds like it was morning sickness especially if she said the 1st trimester is worse for her it sounds like thats what she was getting at, and fortunatle that's not contagious. As for your co-worker I agree that it may not even be a virus and if it is you werent' in the right kind of contact to catch it. Just keep your hands clean before eating or touching your face and you should be fine! Glad your'e feeling a bit better!
\"As soon as you trust yourself,you will know how to live.\"
Johann Wolfgang von Goethe
\"Do not anticipate trouble, or worry about what may never happen. Keep in the sunlight.\"
Benjamin Franklin