常見問題
新冠病毒主要透過感染者咳嗽、打噴嚏或說話時產生的細小飛沫傳播。它亦可透過直接接觸傳播，例如觸摸或握手，以及觸摸被病毒污染的表面或物件後，未潔手的情況下觸摸面部。(CDC) (World Health Organization (WHO)).
有針對2019冠狀病毒病的治療方法嗎？治療2019冠狀病毒病有多種方法，支援性治療包括休息、補充水分和服用止痛藥。症狀較嚴重者可服用抗病毒藥物、單株抗體和其他療法。患者應向專業醫護人士諮詢適合其具體情況的建議和治療方案。(CDC).
任何人都有機會再次感染新冠病毒。人體對新冠病毒的免疫力會隨時間而下降，導致在人生的不同階段有可能再次感染。而再次感染可能會出現症狀，也有機會出現「無症狀感染」。對於長者和有潛在健康問題的人士，由於免疫系統和整體健康狀況會隨著年齡增長而變化，若再次感染新冠病毒，可能會導致更嚴重的疾病。(CDC) (Department of Industrial Relations (DIR)).
一般而言，感染新冠病毒的人士在出現症狀後有長達10天的傳染期。然而，持續出現症狀或免疫力低下人士可能傳染期會更長。建議遵循衞生防護中心指引，並諮詢專業醫護人員適當的隔離期。(CDC).
新冠重症會導致住院、入住深切治療部，甚至死亡。而長者、患有心臟和肺部疾病的人，或免疫力低下人士，更容易出現嚴重的後果。雖然任何年齡都有機會因感染新冠病毒而死亡，但大多數與新冠病毒重症相關的死亡個案都是發生在65歲或以上的人群。此外，感染新冠病毒也會加重現有的病情，例如慢性阻塞性肺病、哮喘和慢性心臟衰竭。(World Health Organization (WHO)).
接種新冠疫苗後出現的副作用因人而異，普遍會出現一些輕度至中度的副作用，並在數天之内得以緩解。常見副作用包括注射部位腫痛、疲倦、頭痛和發燒等。部分人士亦可能出現較嚴重的副作用，例如過敏性休克、心肌炎或心包炎，但這種情況較為罕見。(CDC).
世界衛生組織（WHO）及美國食品藥物管理局（FDA）建議每年更新新冠疫苗，以更好地應對當前最流行的病毒株。此舉有助確保疫苗能有效地抵禦不斷變異的病毒，類似流感疫苗定期更新以適應不斷變化的病毒株，有助提高免疫力，並更好地預防感染。(Yale Medicine) (Mayo Clinic News Network).
根據政府疫苗接種計劃，屬於以下優先組別的市民，如已完成初始劑次， 不論過往已接種多少劑疫苗，於接種上一劑疫苗或感染 2019 冠狀病毒病至少180日後 (以較後者為準) ，可免費接種額外的加強劑：
- 年屆 50 歲或以上的人士（包括居於院舍的長者）
- 18 至 49 歲有長期病患的成年人
- 6 個月大或以上免疫力弱的人士
- 孕婦
- 醫護人員
新冠疫苗有效預防患上重症、減低入院和死亡的風險。即使在接種疫苗後感染病毒，症狀通常也會較輕微。(CDC) (Johns Hopkins).
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