Spider Bites: While many spider bites might just appear to be the work of a mosquito, if you look close you may notice distinctive, red fang marks accompanied by redness, tenderness and shooting pain. That may mean you've encountered a black widow, the most common harmful spider in California.
The most significant cost increase occurred in treatment for people with melanoma, the deadliest type of skin cancer. The study found that the cost of treatment jumped 106 percent, rising from $2,320 annually to $4,789 annually.
In comparison, US melanoma incidence is around 77,000. A similar 34% US share, and price of $118,000, would give Bristol sales of over $3bn, yet analysts are on average expecting $2.3bn of Opdivo âs 2020 global sales of $6bn to come from melanoma.