Bats are infested with some of the most pathogenic viruses in the world, including Ebola virus and SARS virus.

20 17 12.7, Shi, a researcher at the Chinese Academy of Sciences and director of the Center for Emerging Infectious Diseases, said that bats are the source of SARS virus. Vampire bats are a serious problem for human beings.

Bats can carry all kinds of people and animals with viruses, and they are hardly infected. Through the study of related genes, scientists found that the transcription factor c-REL of NF-κB family in bats is positively selected.

This gene not only plays a role in innate immunity, but also has a certain relationship with DNA damage reaction. Natural killer (NK) cells are the first line of defense against external pathogenic microorganisms and tumors.

Extended data

The sexual cycle of bats is synchronous, so most mating activities take place within a few weeks. Pregnancy is different. Delayed implantation, similar time difference of 3- 10 months.

Many kinds of female animals will move to a special habitat after pregnancy. Bats breed once a year, each giving birth to 1-2; Babies are born hairless or hairless and often can't see or hear for a period of time;

Larvae grow rapidly, generally reaching adult size at 8-6 weeks, and shedding fetal hair at 1-2 months. Babies are cared for by their parents for 5 weeks to 5 months, depending on different species. The longest life span can reach 33 years, and most species may average 4-5 years.

Baidu Encyclopedia-Bats (Mammals)