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.
Being first to market gives Merck the chance to establish a foothold. Priced at $12,500 per month -- or about $150,000 per year -- Keytruda is obviously expensive.But it had unprecedented response rates in heavily pretreated patients for advanced melanoma, a disease that's particularly swift and deadly, so it should be adopted quickly.owever, determining whether it's Bristol-Myers Squibb 's (NYSE:BMY) Opdivo or Merck & Co. 's (NYSE:MRK) Keytruda that will capture the lion's share of the PD-1 market is uncertain. We asked our Motley Fool experts to weigh in with their thoughts on which of these drugs is likely to be more successful.