Patients with more severe cases are being admitted to hospitals' intensive care units (ICU) due to COVID-19 variants, an expert has said.
Health Minister Fahrettin Koca recently said the U.K. strain of the coronavirus, which had been detected in 81 provinces, accounted for 75 percent of all cases in the country.
Turkey has been ramping up efforts to vaccinate its population under the inoculation program which was rolled out on Jan. 14.
To date, some 16.8 million doses of vaccines against COVID-19 have been administered. More than 9.6 million people have received the first dose of the jab while over 7.1 million people have received both doses.
Turkey has so far administered more than 16.6 million coronavirus vaccine jabs across the country, the nation's health minister announced on April 3.
"Among the countries which have yet to produce their own vaccine, Turkey stands as one of the states that conducts the most jabs," Fahrettin Koca said on Twitter.
The first doses of the Pfizer-BioNTech vaccine were administered in Turkey's capital Ankara on April 2.
Turkey has so far received 2.8 million doses of the vaccine, which was developed by second-generation Turkish immigrants in Germany.
The total is set to reach 4.5 million in the coming weeks, Health Minister Fahrettin Koca told reporters in parliament on Tuesday.
Turkey plans to roll out its domestically developed vaccine against COVID-19 by the end of this summer, the country's health minister has said.
There are 18 Turkish vaccine candidates on the World Health Organization (WHO) list, Fahrettin Koca added, addressing the organization's media briefing on April 1.
Turkey has registered 180,448 U.K. variant cases of the novel coronavirus in 81 provinces, the country's health minister said in a statement on March 31.
Following a meeting of the Coronavirus Scientific Advisory Board, Fahrettin Koca said the U.K. variant accounts for 75% of all cases in the country.
Turkey has recorded 37,303 new coronavirus cases in the space of just 24 hours, the highest number since the beginning of the pandemic more than a year ago, health ministry data showed on March 30.
The government said on March 29 it would tighten restrictions on movement and gatherings because of rising infections, less than a month after easing them.