Your best chances are within the first 24 hours after ovulation, but there is still a small chance two days after. So, honestly, if your ovulation really did occur on the 18th then your chances aren't that great because you would be past that 24 hour window, but I wouldn't say its impossible.
Cryptosporidiosis. Cryptosporidiosis is a parasitic disease that affects quail, pheasants, peafowl, waterfowl, chickens, turkeys, finches and psittacines (such as parrots). Cryptosporidia are poorly host-specific and can affect other animal species including humans, other mammals,...
Health related question in topics Conditions Illness .We found some answers as below for this question Is chicken pox a bacterial or viral disease,you can compare them. Is chicken pox a bacterial or viral disease. Chickenpox A highly infectious viral disease also known medically as varicella, in many countries, it is always called varicella [ Source: http://www.chacha.com/question/is-chicken-pox-a-bacterial-or-viral-disease ] More Answers to  Health related question in topics Conditions Illness .We found some answers as below for this question Is chicken pox a bacterial or viral disease,you can compare them.