Please help me!! This is my English homework!! Please correct my English writting!! Antibiolotics aiso called antibacterials, are a type of bacterial infections. They may either kill or inhibit the growth of bacteria. A limited number of antibiotics also possess antiprotozoal activity. Antibiotics are not effective against viruses such as the common cold or influenza; drugs which inhibit viruses are termed antiviral drugs or antivirals rather than antibiotics.

Is it possible to prevent bacterial infections?

Penicillin was discovered in 1928 by Scottish scientist Alexander Fleming.

1.He cultured penicillium.

2.He did the extraction work of penicillin.

3.He examined the efficacy of penicillin extract.

Penicillin is a group of antibiotics which include penicillin G ,penicillin V ,procaine penicillin, and benzathine penicillin. Penicillin antibiolotics were among the first medications to be effective against many bacterial infections caused by staphylococci and streptococci. Penicillin are still widely used today, though many tipes of bacteria have developed resistancefollowing extensive used.