Worst of the pandemic may finally be over

(MENAFN- Colombo Gazette) The worst of the pandemic may finally be over, Dr. Chandima Jeewandara, the Director of Allergy Immunology and Cell Biology Unit at Sri Jayewardenepura University said quoting US researchers.

Dr. Chandima Jeewandara tweeted saying based on new modelling results from a consortium of researchers advising the U.S. Centers for Disease Control and Prevention, the worst of the pandemic may finally be over.

The team's“COVID-19 Scenario Modeling Hub,” which is co-coordinated by researchers at Penn State, projects that COVID-19 cases will decrease across the United States, barring the emergence of any new variants or major changes in behavior.

“This projected decline in cases could be due to a number of factors, including the availability of vaccines to children ages 5 to 11, which may be available in the next few weeks, and the increasing number of people that are now immune due to either vaccination or natural exposure to the virus,” said Katriona Shea, professor of biology and Alumni Professor in the Biological Sciences at Penn State.

The researchers combined nine different mathematical models from different research groups to project the trajectory of the pandemic over the next six months. They published their results online on Sept. 22.

“Synergizing results from multiple models has been shown to give much more reliable projections than any one model alone,” said Shea, who published a paper early in the pandemic demonstrating a technique for minimizing uncertainty by combining multiple models together to make projections.

The team specifically examined four potential scenarios, including whether childhood vaccine uptake will be high and whether a more infectious new variant will emerge.

“The most likely scenario is that children age 5 to 11 will be approved for vaccination and that no new superspreading variant will emerge,” said Shea.“In this case, by March 2022, COVID-19 infections across the United States could slowly and steadily drop from about 140,000 per day today to about 9,000 per day, and deaths could decline from about 1,500 per day today to fewer than 100 per day.”

These numbers are similar to those that characterized the U.S. in March 2020 when the virus was just starting to spread throughout the country, added Shea. They are also lower than the numbers seen in the U.S. earlier this summer, after the vaccines had been available for several months and before the Delta variant had begun to gain the upper hand.

Shea noted that, at the state level, however, the team's results suggest significant variation in projected cases.

Vaccine availability to children ages 5 to 11 is also expected to contribute to a drop in COVID-19 cases, with several thousand fewer deaths and tens of thousands of fewer cases across the U.S. And if a new, more transmissible variant appears, the drop could comprise hundreds of thousands of fewer cases and a similar relative decrease in hospitalizations.

Shea noted that by getting vaccinated everyone can play a part in ending the pandemic. (Colombo Gazette)

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