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,...
The immune system function can also be modified and affected by the treatment and medication used for some diseases and conditions, such as anti-rejection drugs used in transplants and in autoimmune diseases and anti-neoplastic chemotherapy (cancer treatment) drugs.here are many diseases that involve some aspect of the immune system function or malfunction. The most obvious would be infectious diseases such as bacterial, viral and parasitic infections. Hormones affect the immune system, so diseases that disrupt normal hormonal activity can affect the immune system.