Thank you sir, These seem to be the two characters on the left side from up to down. Still appreciate any help about the characters on the right side

There is a red stamp on one painting. I would like to know what are the Chinese characters on the stamp. Here you are a link to the photos user.qzone.qq.com/391187904/mood/c00d51173497905373390900.

Hello,
It happened that once I had a Chinese student with a negative blood, do not remember though weather it was A. Yes it's very rare in China. I will let you know if I go information about her or people similar to her.

The symptoms of first infection are usually mild. Once recovered, immunity to that serotype of dengue virus will develop but subsequent infections with other serotypes of dengue virus are more likely to result in DHF. DHF is a severe and potentially fatal complication of dengue fever. Initially, the features include high fever, which lasts for 2 – 7 days and can be as high as 40 – 41oC, facial flush and other non-specific constitutional symptoms of dengue fever. Later, it may be followed by manifestations of bleeding tendency such as skin bruises, nose or gum bleeding, and possibly internal bleeding. In severe cases, it may progress to circulatory failure, shock and death. www.chp.gov.hk/en/content/9/24/19.html

actually I don't care much about finance when I take part in any movie or TV series .It gives self satisfaction and interact with local culture.The last time I took part on a TV series let me happy and also my friends.Here is the link to it user.qzone.qq.com/391187904/blog/1355532570