The government is thinking of tightening anti-Covid measures on Valentine’s Day and around Songkran after a rapid increase in new infections. The government is worried about the rise in daily case numbers over the past several days. The country registered 15,242 new coronavirus cases and 23 more Covid-19 deaths during the previous 24 hours, the Public Health Ministry said on Friday. Prime Minister Prayut Chan-o-cha will chair a CCSA meeting today to consider tougher measures to curb the spread of the virus on Valentine’s Day and during the Songkran holiday period, a source said. The Bangkok Me…