No, properly given injection with disposable syringe and needle will be safe. It will not cause any infection calling for use of a local antibiotic (mupirocin. This is used to treat bacterial skin infections.
Check again if it was hexa instead of penta. If penta then yes you can, but I am afraid, IPV is not available as a single solitary vaccine for quite some time. Next time at 10 and 14 th weeks, discuss with your pediatrician about combo vaccine penta plus IPV. Two doses of IPV may be good enough if IPV is not available separately.
1. If the lick was over intact skin, it's never an issue. Also touching the bowl is not a problem.
2. The duration of effectiveness of the vaccine is variable but averages from 2-10 years. So in case of repeat bite or exposure we recommend 2 doses on day 0 and day 3 as booster.
Yes u can give typhoid vaccine,,one thing u should clear that there is no specific data which proves that typhoid vaccine protects 100% ,,,if u don't take then there will not be any problem,, because typhoid is very much curable now a days