Five years after the virus that causes COVID emerged in China it still holds some mysteries.
Freeze Warning issued starting early Friday for Southeast Georgia, some Northeast Florida countiesNew Year’s Day police chase in Murray Hill ends with overturned SUV, arrestThis $33 scarf is like a heated blanket around your neckFILE - People attend an exhibition on the city's fight against the coronavirus in Wuhan in central China's Hubei province, Jan. 23, 2021.
FILE - Denmark's Jonas Vingegaard, left, and teammate Matteo Jorgenson, of the U.S., wear face masks to protect themselves from the Corona virus prior to the start of the fourteenth stage of the Tour de France cycling race over 151.9 kilometers with start in Pau and finish in Saint-Lary-Soulan Pla d'Adet, France, July 13, 2024. Several riders had to abandon the race after contracting COVID-19.
That's a known pathway for disease transmission and likely triggered the first epidemic of a similar virus, known as SARS. But this theory has not been proven for the virus that causes COVID-19. Wuhan is home to several research labs involved in collecting and studying coronaviruses, fueling debate over whether the virus instead may have leaked from one.
“We cannot talk about COVID in the past, since it’s still with us,” WHO director Tedros Adhanom Ghebreyesus said.Scientists and vaccine-makers broke speed records developing COVID-19 vaccines that have saved tens of millions of lives worldwide – and were the critical step to getting life back to normal.
Scientists named these variants after Greek letters: alpha, beta, gamma, delta and omicron. Delta, which became dominant in the U.S. in June 2021, raised a lot of concerns because it was twice as likely to lead to hospitalization as the first version of the virus.“It spread very rapidly," dominating within weeks, said Dr. Wesley Long, a pathologist at Houston Methodist in Texas. “It drove a huge spike in cases compared to anything we had seen previously.
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