Knowledge Handbook of Pneumonia Prevention and Control for New Coronavirus Infection (2)

Part II Epidemic Situation
14. What is the key to prevent and control the outbreak?
The key is to prevent "super spreaders"
. Reducing the outflow of
the people in Wuhan City is very important, and strict screening
detection measures are taken in Wuhan City, especially body
temperature detection. Those who have high body temperature
are not recommended to leave Wuhan. The city limited inflow
and outflow of people on January 23, 2020,which was the key
measures to prevent and control the outbreak.
15. What is the most effective way to prevent and control the
outbreak at present?Early detection, early reporting, early diagnosis, early isolation,
and early treatment are the most effective measures. It is
extremely important for the confirmed cases to get an effective
isolation treatment to decrease transmission.
16. What is the infection source of novel coronavirus?
The infection source of 2019-nCoV has not yet been found. The
gene sequence of 2019-nCoV is similar to the SARS coronavirus.
However, SARS coronavirus has been proved to stem from the
coronavirus that wild animals (bat) carry. At present, most cases
admitted have exposure history of "Huanan Seafood Market,"
where the wild animals were sold, and vendors and customers
there have the chance to be in contact with wild animals-carried
coronavirus.
17. Can novel coronaviruses be transmitted from person to
person?
The cases by human-to-human transmission were found in
Wuhan City and Guangdong Province; as of January 21, 2020,
there were 15 health care workers infected in Wuhan City, which
confirmed the virus could have human-to-human transmission.18. By which ways will people be infected?
On January 27, 2020, the Diagnosis and Treatment of Pneumonia
Infected by Novel Coronavirus (4th trial edition) pressed by the
General Office of the National Health Commission and the
General Office of the National Administration of Traditional
Chinese Medicine points out that the main transmission route is
droplet transmission, plus contact transmission.
19. Will the novel coronavirus mutate?
The 2019-nCoV is a new strain of coronavirus that has not yet
been previously found in human body, so the virus mutation still
needs to be monitored closely.
20. Will the novel coronavirus be as fierce as SARS?
The studies show that 2019-nCoV is homologous with SARS,
with the similarity of about 70% and with MERS, about 40%.
Compared with SARS, 2019-nCoV has weak infectivity, but a
good affinity with human respiratory epithelial cells, indicating
certain infectivity for humans.