That is pretty obvious, but you'll have to shift your balance more towards west. Smooth moves is needed.For what? Look after Prabowo visit, not only China Made blatant disregard toward our Sovereign over North Natuna Sea, but not long after there is Covid19 case in which had happened in Wuhan!!! And now amid pandemic China keep increased their presence in South China Sea and using vacsine they are developing (in which i am quite suspicious on how they are able to complete Vacsine development in less than one year, meanwhile incubation process and selection of strain and sampling process should need much more longer time) China using Kungflu as biological weapons as diplomatic tools and coerce other to push their interest toward other countries.
You'll need to acquire whichever vaccine you can get your fingers in. the Oxford vaccine seems to be the cheapest compared to Pfizer-Biontechs by 1/6 of the price, though effective on 70%. But I'd get my fingers on as many different as possible. Look at other countries who are successfully developing it as well.
I'd already predicted China would be more aggressive, I think meeting US and Philippines (and Australia ?) would be good, and make joint statements and such. possible support Philippines claim and financially support presence in spratly.
Send a clear message, not a muddled one.