Frequent hand wash, don't touch surfaces such as metal, glass etc at public places, use senitizers, alcohol, soaps for washing, in case of sneezing or coughing cover up your mouth, intake good diet.
For its treatment different lab based and computational studies have been conducted but it's vaccine is not available yet.
A combination of drugs are beneficial in a certain amount such as hyroxycholoquine combination with azithramycin and zinc sulfate.