Sept 17 (Reuters) - Sri Lankan shares clocked their second consecutive weekly loss as the island nation further extended its lockdown until Oct. 1 to tackle an upsurge in coronavirus cases.

* The country's President Gotabaya Rajapaksa on Friday advised the health sector to administer Pfizer Inc's COVID-19 vaccine to children between the ages of 15 and 19 years

* The CSE All-Share index, which logged a weekly loss of 0.71%, was down 0.52% at 8,801.95 points at the closing bell on Friday, dragged down by losses in the consumer discretionary and industrials sectors.

* Browns Investment Plc and Lanka Orix Leasing Company Plc were top drags on the index, falling 4.2%and 1.44%, respectively.

* The equity market's turnover was about 3.80 billion rupees, according to stock exchange data https://www.cse.lk/pages/daily-market-summary/daily-market-summary.component.html.

* Trading volume on the exchange fell to 153.2 million shares from 215.5 million shares in the previous session.

* Foreign investors were net sellers in the equity market, offloading shares worth 596 million rupees, as per exchange data.

* The island nation reported 2,271 new coronavirus cases in the last 24 hours, taking the total to 498,694.

* It reported 118 fatalities due to COVID-19 in the last 24 hours, bringing the death toll to 11,817, health bureau data showed https://hpb.health.gov.lk/covid19-dashboard.

* About half of the country's entire population is fully vaccinated so far, according to data from Johns Hopkins University https://coronavirus.jhu.edu/region/sri-lanka.

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* For a report on major currencies, click (Reporting by Waruna Karunatilake in Colombo and Shivani Singh in Bengaluru; Editing by Maju Samuel)