Bought 10 masks for myself

After 13 were quarantined from my workplace because of contact with a H1N1 confirmed case from U.S, there is yet another suspect case. This time round, the suspect case is someone working together with me, sharing the same mouldy room and shared the same rojak food at Changi Village last Friday. He recently came back from a Bangkok holiday trip 8 days ago and is currently down with a high fever. If his medical report shows H1N1 positive, then I will need to be put under 7 days home quarantine.