1.   As the tree pollens start to withdraw, a flanking attack of grass pollens rolls in during May and June.

2.   Balancing this upsurge, he said, has been a relatively low level of grass pollen in recent weeks because of dry weather.

3.   Common allergic triggers are tree or grass pollen, animal dander, dust mites, cockroach droppings, and molds.

4.   Monthly allergy shots for grass pollens remain effective three years after the regimen ends, British researchers reported last week in The New England Journal of Medicine.

5.   The shots, which contain solutions made from tiny bits of grass pollen, are usually taken about once a month for three years.

6.   The researchers said that grass pollen was the most significant allergic factor identified in the period before the thunderstorm.

7.   Then grass pollens kick in, spreading the misery to June.

8.   Wind gusts scattered grass pollen over a wide area.

9.   In addition, he is allergic to cat fur, dust, grass pollen and molds.