Both N95 masks and medical surgical masks can prevent the new coronavirus, only the scope of application of the two are different.
N95 masks are suitable for health care workers for surgery, can prevent liquid splash during surgery, but also can block the concentration of relatively high bacteria and other pathogens, for the production of more stringent requirements, but the use of the respiratory will have a certain impact.
Medical surgical mask production requirements are low, can also be used to protect against pathogens, is a common type of masks used by the masses to protect against viruses, easy to carry and at the same time less expensive, conducive to respiration, as long as you ensure that 4 hours to replace once, can also play a better role in the prevention and control of epidemics.
It is recommended that the masses actively wear masks, make adequate preparations for epidemic prevention and control, according to personal needs for a reasonable choice, but also note that the masks can not 100% prevent the spread of viruses, but also need to do a good job of hand hygiene, less gatherings and so on.